Geometry - Math for Kids - Science

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About Azeem Hussain
(Top Expert on this page)

Expertise
I can answer virtually any kind of question dealing with of Math 536 and below, my forte being in parabolic functions and analytical geometry. I'm currently learning Linear Algebra, and cannot answer questions that deal with subject matter more advanced than that.

Experience
I am neither a professor nor a teacher of this subject. I am merely a student who is gifted at mathematics and enjoys being of service to his community. I frequently tutor people in math and the results are usually great.

Publications
Reflections, Riverside School Board (2005, 2006)

Education/Credentials
Diploma of Secondary Studies from Chambly Academy High School, and IBO-MYP certificate as well. My lowest mark on a high school math final was 97%, peaking at 99% in 2006 and 2007 (second-highest Math 436 mark in the province). Being a Quebecer, I am fluent in English and French and can respond to questions easily in both languages.

Awards and Honors
Pascal Math Competition, School Champion(2007)

You are here: Experts > Science > Math for Kids > Geometry

Questions Answered By Expert Azeem Hussain
In Category Geometry

Subject	Date Asked

Trigonometry	11/19/2009
Q: A 20 foot ladder is leaning against a building. If the base of the ladder is 6 feet from the base of ... A: Symon, When looking for an angle, you need to use inverse trig operations. In this case, the angle ...
Calculus I - Various	11/3/2009
Q: Hey there I have a test tomorrow nigh for Calc and I just can't seem to get the answers for these ... A: 2. To find the 30th derivative, begin by finding the first few. f(x)=cos(2x) f'(x)=-2sin(2x) ...
Finding Dimensions Given Area	11/1/2009
Q: I am trying to figure out how to get the base and lenght to a problem that only has the area given. ... A: Ultimately, your final formula will depend on the shape. You need an equation for area in terms of ...
Circle Formulae	10/12/2009
Q: Hey, I'm in first year calculus in university and it seems my prof expects us to know the xy formula ... A: The equation for the unit circle centred at the origin is x²+y²=1. The standard equation is ...
Angle of Elevation of Sun	10/8/2009
Q: Hey, I'm a high school junior and I'm trying to figure out how to find the elevation of the sun by ... A: Hey Bella, When dealing with a right triangle, basic trigonometry comes into play. Draw a right ...
Angle of Elevation of Sun	10/7/2009
Q: Hey, I'm a high school junior and I'm trying to figure out how to find the elevation of the sun by ... A: The method I will explain to you uses an inverse tangent. Find some flat ground, and hold the metre ...
Basic Trig - Airplane	9/22/2009
Q: An airplane takes off with an angle of elevation of 25º. It flies 1,100 feet before the angle levels ... A: Sketch the ground. Sketch the diagonal at 25 degrees to the ground. Connect the diagonal to the ...
Complementary Angles	9/18/2009
Q: My daughter posed this question to me, and I can't seem to solve it: Angle A and Angle B are ... A: As written, there is no solution to the quadratic equation. Assuming there is a typo and it's ...
Triangular Prism	9/17/2009
Q: how to find the surface area, volume and lateral area of the triangular prism if the height of the ... A: Assuming you have the three sides of the triangle and the prisms height... [a=side 1 of triangle ...
Various	9/14/2009
Q: Azeem, honestly i have no clue about maths, I really need you help. 1. Please help me to find the ... A: Unless if you don't know what a square is (in which case tell me), I can't make it much simpler than ...
Various	9/11/2009
Q: Azeem, honestly i have no clue about maths, I really need you help. 1. Please help me to find the ... A: A cube's surface area is composed of 6 equal squares. Find the area of one square and multiply that ...
Systems of Equations - Complementary Angles	9/2/2009
Q: I really am tryin to figure out a math problem concerning two complementary angles. I have tried ... A: Complementary angles sum to 90 degrees. L+M=90, N+P=90. You have two variables in two equations. ...
Square Roots	8/31/2009
Q: Task: Show the conjecture is false by finding a counterexample. Problem: The square root of a number ... A: Hey Cody! The square root of x will be greater than x when x is between 0 and 1 inclusively. ...
Supplementary & Complementary Angles	8/30/2009
Q: the suppliment of an angle is 36 degrees less than twice the suppliment of the compliment of the ... A: The supplement (note spelling) of the complement (note spelling) is not 180-90-x, but 180-(90-x). ...
Conversion - Cubic Meter to Ton	8/30/2009
Q: How to convert cubic meter into ton A: A cubic meter is a unit of volume, while a ton is a unit of mass. You may not convert from one to ...
Volumes and Areas	8/20/2009
Q: I need to find the lateral are (when possible), surface area, and volume. 3.14 needs to be used for ... A: For a rectangular prism, volume can be calculated by multiplying all three dimensions. Lateral area ...
hi	8/19/2009
Q: http://en.allexperts.com/q/Geometry-2060/2008/8/Coordinate-Geometry-Linear-Equations.htm I think u ... A: The order of the coordinates is irrelevant, as long as it is consistent. Whether (-3,7) or (5,-1) ...
Roots of an Equation	8/15/2009
Q: I recently came acros the following type of equation: (x - 2)/(x - 1) = (x^2 + 6x + 4)/(x - 1) ... A: Allow me to begin by stating that the ideal strategy is to cancel the common factor. This gives you ...
Analytic Geometry - 2-Point Distance	8/15/2009
Q: J (2,-5) K (-1,2) L (-5,-5) The distance formula consists of x1-y1 and x2-y2 so where does L come ... A: The formula for calculating the distance between two points on a plane is essentially the ...
Irrational/Rational Circumference	8/13/2009
Q: You said that if we take a line whose length is rational and bend it to form a circle, the ... A: "You said that if we take a line whose length is rational and bend it to form a circle, the ...
Circumference - Exactitude of Pi	8/13/2009
Q: Hey there, I was wondering that since pie is a number whose exact value is not known or it doesn't ... A: Hey Shikhin! You may have misunderstood the key part: FOLDING A STRAIGHT LINE INTO A CIRCLE DOES ...
Circumference - Exactitude of Pi	8/13/2009
Q: Hey there, I was wondering that since pie is a number whose exact value is not known or it doesn't ... A: "What if we cut the circle at a point on its circumference and then unfold the entire circumference ...
Circumference - Exactitude of Pi	8/12/2009
Q: Hey there, I was wondering that since pie is a number whose exact value is not known or it doesn't ... A: In theory, the length of any line segment or curve is measurable up to 100% accuracy. But, a ...
Properties of Triangles	8/3/2009
Q: "Hello Sir, I have three questions: Q1:if C=2B,then c^2=ab+b^2. Q2:one side of a triangle is double ... A: For Q1, you haven't actually asked the question. You've given me the setup, but you haven't asked ...
Proofs - Isosceles Triangle	8/3/2009
Q: I really need your help. I have struggled with this for months. I have a prrof that i cant seem to ... A: It seems as though your reason for statement 3 is mismatched. I think you should first state that ...
Base Angle Bisectors of Isoceles Triangle	7/31/2009
Q: This is a problem which has bothered me all my life, well, at least since I first learned geometery, ... A: The question you are asking is a theorem known as the Steiner-Lehmus theorem. It is very difficult ...
Number of Possible Triangles	7/25/2009
Q: On a triangle ABC ,D,E and F are points on side AB,G and H are on BC,I is a point on side CA. If all ... A: If the question is really what you've written, then the answer is zero, as joining 2 points will ...
Circle Intersecting Parabola	7/19/2009
Q: Q)In the X-Y plane, the equations of circle shown is x^2 + y^2 = 4 ( center is at 0,0). At how many ... A: Hey Vandhana, You said drawing the graph didn't help you. It helped me. The graph is, in my ...
Various	7/18/2009
Q: Find the area of a regular hexagon with side 2√3 cm apothem 3cm? (My problem is that i dont ... A: To prevent square roots from giving you "really long answers," it's best to just keep them as square ...
Similarity - Quadrliateral	7/17/2009
Q: The sides of a quadrilateral are 3, 4, 5, and 6. Find the length of the sides of a similar ... A: Hey Carly! In problems such as this, the first step is usually to find the scale factor, that is ...
Optimization - Area	7/14/2009
Q: It has been a LONG time since I have done this type of math. Can you refresh me on this simple ... A: There are numerous ways of doing this, including using systems of equations or Calculus. However, ...
Radical	7/13/2009
Q: What is a radical? In geometry, I know it has something to do with square roots, but I don't ... A: Hey Melissa, Radicals are what you think they are, square roots. Actually, they're any root. This ...
Area - Cylinder	7/13/2009
Q: I am looking at a tank 10 foot diameter 34 feet long. What is the formula for this and answer. Thank ... A: In order to find the surface area of a cylinder, break it up into three parts: the two circular ...
Analytic Geometry - Perpendicular Line	7/1/2009
Q: What is the equation for a line that passes thru (2,5) and is perpendicular to line y=0.5x-3? The ... A: Hey Marie! Begin by finding the slope of the line. Perpendicular lines have slopes that are ...
Perpendicular Lines	6/30/2009
Q: if the perpendicular lines doesn't form a right angle, can it still be considered perpendicular? ... A: Perpendicular lines are at right angles, 90 degrees, ALWAYS. This is their definition. Two ...
Perpendicular Bisector	6/29/2009
Q: It has been a LONG time since I did Geometry. Can you help me understand this? Do I draw this or ... A: There is a mathematical way of figuring this out. Begin by finding the slope of AB. This is done ...
Wrap Around a Bucket	6/28/2009
Q: I'm wrapping a vinyl adhesive around a bucket, and can't get the fit exact. I tried drawing the top ... A: You'll need to cut a sort of arch thing you have in the picture. It will have to be 31.42" on the ...
Basic Trig Involving Systems	6/22/2009
Q: From a point A, the angle of elevation of the top of a transmission tower is 57*. At the point B, ... A: Begin by sketching the situation. Assume the tower is perpendicular to the ground. You will have a ...
Unit Explanations	6/16/2009
Q: Why is perimeter measured in units and area is measured in square units? Please give examples to ... A: Dwayne, Reread the last part of my answer. It's essentially the same as with area, but in three ...
Unit Explanations	6/16/2009
Q: Why is perimeter measured in units and area is measured in square units? Please give examples to ... A: When you're measuring perimeter you are only dealing with one dimension. If I asked you to find the ...
Construction of Equilateral Triangle Around Given Center	6/16/2009
Q: Given only the length of the sides of an equilateral triangle and a point, how do I construct the ... A: Hey Dauda! Begin by constructing an equilateral (elsewhere on the page) using the given side ...
Basic Trig - 2 Wires	6/15/2009
Q: A pole is used to support an observation platform. The top of the pole is secured by two wires, one ... A: Assuming the pole is perpendicular to the ground, the pole and its two supporting wires comprise two ...
Circumference - Challenge Questions	6/11/2009
Q: I really need help with numbers 4-6 on the following page : ... A: For question 4, you know the total perimeter is equal to twice the side of the square plus twice the ...
Surface Area - Painting a Spherical Tank	6/7/2009
Q: I'm having a very hard time finding out how much paint I need to cover a spherical tank with a ... A: Begin by finding the surface area of the sphere. To do this, you need the radius which is half the ...
Loci	6/4/2009
Q: 1. sketch and describe the locus of all points in a plane that are 4 centimeters from a circle with ... A: 1. The locus would be a circle with radius of 12 (8+4=12). 2. This locus is really just a single ...
Skydiving	5/31/2009
Q: "My name is Kira Yuta I am in grade eleven in USA I am studying for my final exam and I came a upon ... A: "98% of its terminal velocity" means v=(0.98)45=44.1. Plug this into the equation and solve for t. ...
Skydiving	5/30/2009
Q: "My name is Kira Yuta I am in grade eleven in USA I am studying for my final exam and I came a upon ... A: What you need to understand in order to solve the question is written immediately before the ...
Surface Area of Triangular Pyramid	5/20/2009
Q: I have a Triangular Pyramid - all edges are 3cm. How do I figure the Surface area and volume? A: Every triangle is an equilateral, meaning they have angles measuring 60 degrees each. Subdivide an ...
Working Backwards on a Number Problem	5/18/2009
Q: I'm stuck on a geometry question and I dont understand it. Here's theA number is added to 4. The ... A: The easiest way to do this is to start at the last step and do the opposite of what is said. (The ...
Area - Sphere	5/18/2009
Q: I recently took a geometry test, and i am required to correct all wrong answers. The only question ... A: The radius of a sphere can be found from its diameter, exactly as you would do for a circle: divide ...
Comparing Prism Areas	5/16/2009
Q: the base of the right triangular prism is an equilateral triangle with a perimeter of 30 in. the ... A: Hey Matt, Lateral area is the product of the base perimeter and the height. Total surface area is ...
Sphere - Surface Area	5/8/2009
Q: i have a globe that has a volume of 33.5103 inches cubed i need to find the surface area of the ... A: The volume of a sphere (a globe is a sphere) can be found by the equation V=(4(pi)r^3)/3. Plug in V ...
Triangles and the Quadratic Formula	5/7/2009
Q: I read your answer to another student about how to solve a question similar to this one: "The ... A: Start by expanding your squares. 15²=x²+(x+2)² (15)(15)=x²+(x+2)(x+2) 225=x²+x²+2x+2x+4 Collect ...
Basic Trig - Tree	5/5/2009
Q: can you please help me drawing and solving this problem. i tried but i don't think it is the right ... A: This problem requires you to use basic trigonometry twice. Begin by drawing your tree tilted at 12 ...
Lateral Area - Regular Prism	4/14/2009
Q: I don't understand how to find the lateral area for regular prism. Can you explain in steps how do i ... A: A regular prism has 6 faces, all of which are rectangles. I'll ask you to draw a rectangular ...
Similarity with Volumes	4/13/2009
Q: ..STILL trying to help my daughter out but I can`t remember radius etc..... ( x 3.14, etc) I really ... A: a) Cylinders and cones work the same ways as pyramids and prisms. The volume of a cylinder is the ...
Volumes and Base Areas	4/13/2009
Q: ...I am the mom of a 9th grader and I am having a difficult time helping her with her homework. I am ... A: The volume of a pyramid is one-third of the product of the area and the height. V=Ah/3 (4.7)=A(1.5) ...
Twisted Tape Measure	3/31/2009
Q: March 31, 2009 Azeem, If you pull a long steel measuring tape out to, say, 10 meters, and make a ... A: There are undoubtedly the variables of tape width and how tightly it can be twisted. From my own ...
Polygons - Names	3/25/2009
Q: what are the names of the polygons eleven through twenty? A: 11-Hendecagon 12-dodecagon 13-triskaidecagon 14-tetrakaidecagon 15-pentakaidecagon 16-hexakaidecagon ...
Optimization - Area	3/25/2009
Q: . OK OK this is the original problem: a 30 cm wire is cut to two. One piece is to bend to a square. ... A: Let the perimeter of the rectangle equal x and that of the square equal y. x+y=30, so y=30-x. ...
Algebraic Volume and Surface Area	3/24/2009
Q: . I need help to figure out the followings: I want to find the ratio of the volume to the surface ... A: Begin by calculating the volume (multiply all 3 dimensions). Then calculate your surface area ...
Analytic Geometry - Line Division	3/17/2009
Q: If W2 is the starting point, then W7 is located two-thirds of the way between W2(0,3) and ... A: Sketch the situation. Divide the line segment approximately. You have 2 segments. Indicate their ...
Trig Identities	3/15/2009
Q: I am to verify 1-(sinx- cosx)^2/ sin x= 2cos x I got as far as cos^2x+ cos^2x/ sinx; which may or ... A: You need to verify this identity: [1-(sin x-cos x)^2]/sin x=2cos x. Note the brackets. Be sure to ...
Trigonometry - Radians	3/15/2009
Q: the question is: Find all the angles (A) (between 0 and 2pi) that sastisfy the equation sineA = -1 ... A: The easiest way to visualize this is to draw a circle centred at the origin with a radius of 1. sin ...
Most Common Digit from 1 to 1000	3/12/2009
Q: Numbers are 1 to 1000. What is the most common number used in the series and what is the least used? ... A: I would say the least used digit is 0. This is because there is only one double zero per hundred. ...
Basic Trig - Angle of Elevation Word Problem	3/10/2009
Q: You are skiing down a mountain with a vertical height of 1500 feet. The distance from the top of the ... A: Think of the mountain as a right triangle seen from the side. The height is equal to 1500 and the ...
Trig - Carpenterial Angles	3/9/2009
Q: March 3, 2009 How is the math done in the general example of the following specific situation? You ... A: This formula is correct, but can be simplified as: angle_of_error=ASIN(RADIANS(distance_high/c)) ...
Calculus I - Minimizing Cost	3/9/2009
Q: the area of the yard is 100 sq m. To put a fence around the yard the cheapest way at a cost of ... A: Let x equal length and y equal width. xy=100. (Your assumption about the perimeter is not ...
Surface Area and Volume Formulae	3/8/2009
Q: what is the formula for surface area and volume for square pyramid, cyclinder, hemisphere, and ... A: Square pyramid: (b=base length, h=height, a=apothem) SA=b^2+2ab V=hb^2/3 Cylinder: ...
Trig - Carpenterial Angles	3/7/2009
Q: March 3, 2009 How is the math done in the general example of the following specific situation? You ... A: If your question is an actual follow-up to your original question, ask it as a follow-up. If it is ...
Trig - Carpenterial Angles	3/3/2009
Q: March 3, 2009 How is the math done in the general example of the following specific situation? You ... A: You can breathe a sigh of relief; trigonometry can allow you to solve for everything you've ...
Ovoids	3/2/2009
Q: I am trying to be sure that I am using the proper terminology. An egg shape (like a chicken egg) ... A: Ovals are loosely defined in mathematics. I'd like to first say that the term ovoid is derived from ...
Non-collinear Points	3/1/2009
Q: I am having trouble with thisPlot 7 non-collinear points on a page. How many different triangles can ... A: Hey Mia! Ignore the "at a time" part. To make a triangle you need to join three points, and that's ...
Compound Interest Rate	2/27/2009
Q: Joe wants to put his savings in a bank account. He has heard the bank will pay him interest of 6.5% ... A: If you were told that Joe's %3 000 investment gained 6.5% in one year, how would you calculate that? ...
Pythagorean Theorem - Shadow	2/27/2009
Q: A nine foot tree casts a forty foot shadow at 3:00 p.m. A boy was curious to determine the length ... A: Ivy, Sketch the situation. The tree is 9 feet tall, and [presumably] perpendicular to the ground. ...
Proofs - Isosceles Trapezoid	2/25/2009
Q: Prove that the lengths of the diagonals of an isosceles trapezoid are equal with out using any ... A: I'll do this informally. Draw a diagram of an isosceles trapezoid. Draw two altitudes ...
Coordinate Geometry - Square	2/18/2009
Q: Two opposite vertices of a square are ( -1, 2) and ( 3, 2).What are the coordinates of the other two ... A: Link the two opposite vertices. Find that line's midpoint. It is (1,2) You know your other ...
Statistics - Average of Tests	2/17/2009
Q: i need help on solving thisLance has taken five tests in his English class, each worth 100 points. ... A: This problem can be solved algebraically using two variables and two equations. The average (mean) ...
Area and Perimeter	2/12/2009
Q: I am a mother and my son is in 2nd grade he brought home a math paper today that I do not ... A: For the first problem, try making a 4 by 2 rectangle. As for the second problem, let's begin by ...
Similarity in 1, 2, and 3 Dimensions	2/11/2009
Q: We were given a rectangular figure with the dimensions of 11 in. L, 17 in. W, and 31 in. H (all with ... A: P, A, and V, are perimeter, area and volume, right? Let's call the scale factor k. In this ...
Algebraic Equations - Parking Lot	2/9/2009
Q: a parking lot is 72 feet less than twice the width. the lot requires 12 feet of buffering ... A: The area of a rectangle (it's a rectangular lot, right?) is the product of length and width. In ...
Triangle - Area from "Radius"	2/8/2009
Q: i need to find the area of an equilateral triangle with radius square root 3. I have to leave my ... A: By "radius" you mean the distance from the centre to a vertex, right? If not, do not read this. ...
Proofs - Midpoint of Arc	2/5/2009
Q: please i really need help. i was a wiz at algebra, but geometry has me completely confused. i'm ... A: I'll be straight up with you on this one: there is no way of proving that B is equidistant to the ...
Unusual Proofs	2/4/2009
Q: I know that one can sometimes prove that 2 plus 2 is not equal to 4. Is there any kind of proof that ... A: I can think of a situation: imagine a sphere, like the Earth. Start at the North Pole and go south ...
Angle of Depression	2/3/2009
Q: will the angle sizes still correspond to smallest angle across from smallest angle? I need the ... A: The angle elevation is equal to the angle of depression. The angle of depression is measured from ...
Working Backwards	2/1/2009
Q: Ali,Ben,Chandra and Devi had $790 altogether.At a shopping trip,Ali spent $60,Ben spent $90,Chandra ... A: The one constant in this equation is the amount of money they have left. Call this (x). The amount ...
Surface Area and Volume - Octagonal Pyramid	1/30/2009
Q: what are the beginning steps in finding the surface area and volume for a pyramid with an 8-gon ... A: Hey Alexandra! The volume would be calculated as any right pyramid's: multiply the base area by ...
Triangles - 30-60-90	1/29/2009
Q: can you please help me with this triangle question, how do I treat 30-60-90 triangle, can you give ... A: Hey Natasha! I can't think of anything in terms of a formula involving perimeter, but I can tell ...
Angle Notation	1/29/2009
Q: in a triangle ∆ABC ∠ABC ∠BC ∠CA please tell what is the mean of these ... A: This symbol, "∠," means "angle." ∠ABC means the angle formed by lines AB and BC. This ...
Basic Trig - Cosine	1/26/2009
Q: to find the height of a tower a surveyor positions a transit that is 2 m tall at a spot 25 m from ... A: Think about it. The tower is perpendicular to the ground, and thus the right triangle is formed. ...
Basic Trigonometry	1/25/2009
Q: I will be very appreciated if you can help me in solving the follwing question. Draw a diagram of a ... A: By definition, sine is the ratio of the opposite side over the hypotenuse in a right triangle. So ...
Triangle Area on a 5 by 5 Array	1/25/2009
Q: To clarify my 1 unit by 1 unit arrayI have a five by five set of dots array (like a geoboard with ... A: I was able to find 16 downward-pointing 2 by 2 triangles. There are also 16 upward-, leftward-, and ...
Elementary Algebra	1/23/2009
Q: how do you add x+4+3x=48 A: When solving equations, you need to get one of the variables all alone on the equals side. Bring ...
Gallons of Fuel in a Horizontal Tank.	1/23/2009
Q: I have a horizontal fuel tank that is 8 feet tall (diameter) and is 27 feet long. The interior ... A: To do this, you need to find the area of the circular segment and multiply all of that by the ...
Minimum Surface Area	1/21/2009
Q: I'm baking a cake, and I want to use the LEAST amount of frosting possible. In what shape should I ... A: Hey Jon! The shape with the smallest area for a given volume is a sphere. However, when you ...
Area - Pick's Formula	1/20/2009
Q: Using Pick's Formula, how does one approximate the area of the state? Please show an example using a ... A: Begin by drawing the state as a polygon. This means you'll have to roughen curves into diagonals, ...
Capacity of a Cylinder	1/20/2009
Q: I need to know the capacity of a cylinder 6 feet deep and 6 feet across. How many gallons will this ... A: I'm going to simplify things a bit by converting feet to inches. The cylinder is 72 inches deep by ...
Pattern Recognition	1/3/2009
Q: I have so much trouble with these kind of problems. I can understand the visual ones but not the ... A: I honestly don't know what to suggest for this. If you can see that the increase is irregular, you ...
Cutting a 16" Octagon	1/2/2009
Q: I have a 16" square stock and I am wanting to make a perfect octagon(equal on all sides).Can you ... A: The square and the octagon have few similarities. One of the only ones is the apothem (distance ...
Volume - Pyramid	12/28/2008
Q: how would i find the volume of a pyramid when the volume is 800cm3 and the base is not given? A: Please double-check your question. The question asks for volume, but also gives it: 800 cubic ...
Maximizing Volume While Minimizing Surface Area	12/22/2008
Q: To be honest, this isn't really a homework question but more of a practical joke. I'm trying to make ... A: The only thing I can really tell you is that a cubic box would optimize your volume with a given ...
Cylindrical Gas Tank	12/21/2008
Q: I have a horizontal cylinder gas tank it is 17 inches round and is 58 inches long, first how many ... A: The volume of a cylinder can be found by the formula V=πhr^2, where h is the height (in this ...
Analytic Geometry - Undefined Slope	12/20/2008
Q: What can you say about a line if every point on the line has the same x coordinate? A: Hey Trina! If every point on a line has the same x coordinate, then the line is completely ...
Midpoint & Improper Fractions	12/17/2008
Q: Heres my problem: M is the midpoint of L and N. Solve for the variable then find the lengths of LM ... A: Hey Crissy! Don't panic! I'll help you. The principal you're using is that LM+MN=LN. This is ...
Geometry Related to Billiards	12/17/2008
Q: I am doing a project in school in which I have to relate geometry to something we use in everyday ... A: Hey Karli, Billiards is more closely related to physics than geometry. When 2 balls collide, they ...
Solids - Snowmen	12/16/2008
Q: This is a three part question. I understand part 1 and some of 2. Chiquita and Rhonda are each ... A: I'll start by saying that "smaller" is a very ambiguous word. I would think volume and not ...
Complement and Supplement	12/15/2008
Q: I am trying to help my daughter study and we are stuck on this question- The measure of the ... A: Let the angle equal x. The complement of the angle would thus be 90-x. The supplement, as dictated ...
Area - Irregular Objects	12/13/2008
Q: First, I am not a student, I am over 50 years old and trying to remember my highschool geometry for ... A: Your general approach, subdividing the lot into triangles and quadrilaterals, is the ideal, and ...
Reflexive Property	12/12/2008
Q: I'm stuck on a problem that says, Choose two cities from the United States road map. Describe the ... A: The reflexive property essentially states that something is equal to itself. AB=BA, if you will. ...
Coordinate Geometry - Right Triangle	12/10/2008
Q: How to calculate coordinates of third vertex, given the coordinates of hypotenuse as (1,3) and ... A: I'm going to assume the legs of the triangle are parallel with the axes (if they aren't, there are ...
Solids - Cylinder and Hemispheres	12/3/2008
Q: A satellite is in the shape of a cylinder with two hemispheres fitted snugly on either end. If the ... A: Find the volume of the cylinder using V=πhr^2, where h is the height and r is the radius. The ...
Perimeter - Rectangle	12/1/2008
Q: I'm trying to help my daughter write a formula for finding the perimeter of a rectangle with 82 ft. ... A: The perimeter of a rectangle is found by twice the sum of both dimensions, or p=2(l+w). If the ...
Polyhedra - Cylinders and Railway Track	11/27/2008
Q: I need to be honest, i dont anything about Geometry, please examplain the answer to me so that i can ... A: His plan was obviously incorrect, but not for the reasons you mentioned. The units are not the ...
Polyhedra - Cylinders and Railway Track	11/26/2008
Q: I need to be honest, i dont anything about Geometry, please examplain the answer to me so that i can ... A: These questions are a bit intimidating, but you have to take them step by step. For the first ...
Radius from Inscibed Polygon	11/18/2008
Q: How to find the radius of a circle that will contain a triangle (all corners touching the circle). ... A: The triangle you're referring to is said to be "inscribed" in the circle. The easy way to do this ...
Triangles - Algebraic Angles	11/17/2008
Q: Hey, I really need help on this big time. the square root's and everything are really hurting me. if ... A: As much as possible, try not to let the roots confuse you. You can see that the ratio of the angles ...
Pemdas	11/17/2008
Q: Ok so i have tried this problem several times and my teacher keeps returning it and he wont tell me ... A: Hey Colby, Begin with P: parentheses. Simplify anything within parentheses first. ...
Area - Torus	11/14/2008
Q: 'm stuck on the following question . Please answer this. I know the height needs to be found .but ... A: Hey James, If you look at it in 2-D, it's just two circles. One with radius 8, and it has a hole ...
Basic Trigonometry	11/11/2008
Q: So my name is Brittany and I'm a 9th grader at Hoover Highschool in advanced geometry. Right now ... A: Hey Brittany! When dealing with right triangles, if you're given the non-right angle, you can find ...
Linear Functions - Graphing	11/6/2008
Q: I have a little trouble with graphing slope. It's not just like y=mx+b, it's a little complicated. A ... A: Honestly, convert into the slope-intercept form of the symmetric form before graphing. It's much ...
Similarity - Hexagons	11/5/2008
Q: Can you check the anwser to this question and let me know if it is right or not . If it is not can ... A: Begin by finding the scale factor, k. When dealing with areas, in two dimensions, the ratio of the ...
Volume - Hexagonal Prism	11/3/2008
Q: I'm stuck on a question. can you check my answer and if it's wrong can you please give the correct ... A: The volume of a prism is calculated by multiplying the base area by the altitude. Begin by finding ...
When You're Behind...	11/1/2008
Q: I started my first geometry class late -third week of class. The terms are foreign to me and the ... A: Frankly, get class notes off a friend. Consult the textbook if you have one. Talk to your teacher. ...
Similarity - Car	10/31/2008
Q: i cant figure out this problem at all i must be having a brain freezeif you have a model car that ... A: Hey Amber, Divide the 10 cm by the ratio. You'll end up with 120 cm. (The correct answer to this ...
Polyhedra - Surface Areas	10/30/2008
Q: I was given a question on a quick test the other day and had a hard time wrapping my head around it. ... A: This question is asking you which solid has a greater surface area. It is the cereal box. Frankly, ...
Various Problems	10/29/2008
Q: Mr Hussain , Can you please check my answers to the questions below.If I have them wrong can you ... A: For the first question, begin by finding the area of the full circle, using πr^2. It is ...
Circles - Chord Length	10/28/2008
Q: Mr, Hussain Can you please answer a question for me .I think I know the answer ,however if I get it ... A: Draw the full circle, the chord in question, and the full diameter. By definition, diameters bisect ...
Area - Property	10/27/2008
Q: I am a realtor, i need to find out how many square feet there are in a piece of property. the ... A: I need to know the exact shape of this property to be able to use these dimensions. The best I can ...
Proofs - Parallel Lines	10/27/2008
Q: How would I write a 2-column proof for this? Given: l perpendicular to n, m perpendicular n Prove: ... A: The key to the first one is this: you know that corresponding angles are equal if the lines are ...
Probability - Handshakes	10/25/2008
Q: There are 47 people at a party. Over the course of the evening, various people shake hands. Is it ... A: This question's a bit unclear. I would say each person could shake hands with 46 others. I know ...
Angles - Irregular Hexagon	10/23/2008
Q: I'm a single mother and my Child is asking me for help .I'm terrible at math . I wish I can help him ... A: Count the number of sides. Use the formula (n-2)180 to find the sum of the interior angles (where n ...
Polyhedra - Axes of Rotation	10/23/2008
Q: What axes of rotation exist for the regular square pyramid? How do you know where to look to ... A: A regular square pyramid has a single axis of rotation in the z plane going from the summit to the ...
Supplement of Complement	10/17/2008
Q: What is the measure of the supplement of the complement of an angle with the measure (n-2). if you ... A: You know what supplements and complements are, so this is really just a matter of thinking about it, ...
Analytic Geometry	10/16/2008
Q: So I have thisWrite the equation of a line that passes throught the point A(-1,3) and which is ... A: You found the slope to be 2. That's right. The y-intercept of the line passing through A, however, ...
Surface Area - Sphere	10/15/2008
Q: I have this problem that is a little difficult. Here it is: the surface area of a sphere is 86 pi ... A: Hey Angel, The surface area of a sphere may be calculated by the formula A=4πr^2. The ...
Congruency vs. Equivalence	10/14/2008
Q: I have a tough question to answer, what's the difference in meaning of the words "congruent" and ... A: "Congruent" means equal in every way, while "equal" means having the same area or volume. As you ...
Similarity - Surface Areas	10/12/2008
Q: The radius of one sphere is 4 and the radius of a second sphere is 12. How do the surface areas of ... A: To begin, you need to find the scale factor, denoted "k." This is the one-dimensional ratio of one ...
Algebraic Perimeter	10/8/2008
Q: Suppose that the length of a rectangle is 3 inches longer than the width and that the perimeter of ... A: Call the width of the rectangle x, and the length x+3. Knowing that the perimeter of a rectangle is ...
Segment Addition Postulate (Twice)	10/7/2008
Q: M is the midpoint of of AB and B is the midpoint of AC. draw a figure to repesent the above ... A: The diagram would look something like this (count the dashes, not the letters): A--M--B----C ...
Basic Trig - Height of Right Triangle	10/7/2008
Q: I know the base is 100 ft. I know the degrees to the top of the tree (30 degrees). How do I figure ... A: Relative to your angle, you have the adjacent side (base) and you need to find the opposite side ...
Calculating Force up an Incline	10/6/2008
Q: I need to know how to calculate the force necessary for a person to push an object up an incline. I ... A: The force going down an incline is equal to 9.8 N/kg (acceleration due to gravity) multiplied by the ...
Minimum Pipe Length	10/3/2008
Q: I am studying at secondary school level 3 and I need some help with this question. at least I need ... A: I can't give you a numerical answer, but I can situate where the station should be. It should be ...
Surface Area - Round Tube	10/2/2008
Q: I am trying to find out what is the formula for figuring the internal surface area of a tube or ... A: A round tube is really just a rectangle rolled up. The height is preserved, but the length becomes ...
Proofs - Concept	9/30/2008
Q: Could you explain the (basic) concepts Proofs. I have to rewrite the conditional statement in the ... A: The very basic concept of formal proofs is as follows: you're given a situation and you have to show ...
Lateral Surface Area - Square Pyramid	9/28/2008
Q: what is the formula for lateral surface area of a square pyramid A: The formula for the lateral surface area of a square pyramid is as follows: LA=2bl "b" is the ...
Triangle - Height from Area	9/27/2008
Q: i'm trying to figure out the steps to finding the height of a triangle (and I guess the base too). ... A: Hey Monique! You probably don't realize it, but the ratio of the length to the base is as important ...
Pre-algebra	9/26/2008
Q: I'm struggling over a mind boggling problem. I've been working on this for 2 days and can't figure ... A: I'm assuming the use of brackets is permitted. There are surely numerous solutions. Here are 3 I ...
Proofs - Reflexive and Transitive Properties	9/25/2008
Q: what is the property that says that a variable equals itself and what is the property that says ... A: The reflexive property says a variable equals itself (AB=BA). The second one in your question would ...
Proofs - Substitution Property of Equality	9/25/2008
Q: Can I use the Substitution Property of Equality with congruent segments in a proof, or do I have to ... A: Provided you have afore-mentioned the congruency between the two line segments, it is not necessary ...
Angles - Supplements and Such	9/23/2008
Q: the measure of an acute angle is equal to the difference between the measure of a supplement of the ... A: I've got a method that should help you. Convert this problem from math to English. Let the angle ...
Analytic Geometry - Perimeter	9/23/2008
Q: What is the perimater of this triangle round to the nearest tenth when the vertices of the triangle ... A: Solving this problem requires a simple formula applied three times. This is the formula for ...
Complement and Supplement of an Angle	9/13/2008
Q: I learned this in class but its very unclear to me what I am suppose to do. Can you help me with ... A: Hey Amber! Let "the angle" equal (x). It's complement will thus be (90-x) and its supplement ...
Area - Rectangle (Quadratic)	9/12/2008
Q: the area of a rectangle is 43cm2 we need to know how to find the length and width? the length is 1cm ... A: Hey Jue! Let (x) equal the width. The length will thus be (x+1). Use the formula for area and ...
Segment Addition Postulate - Squared Variable	9/10/2008
Q: How do you solve when the value is squared the basic formula does not seem to work. Example AC=10 ... A: The basic formula should still work. I'm assuming B is between A and C. AB+BC=AC ...
Circle to Octagon	9/7/2008
Q: If I have a 30 ft. circle and want to convert it into an octagon, what would be the dimensions of ... A: Hey Linda, Seeing that I don't know which dimension is 30 ft., I'll just tell you the procedure. ...
Volume - Irregular Shapes	9/3/2008
Q: How can I find out the volume of oddly shaped objects, like a peanut shell?? ANSWER: Hi John, Use ... A: Using the eraser tip of a pencil or something, push the peanut shell down to the point where the ...
Volume - Irregular Shapes	9/2/2008
Q: How can I find out the volume of oddly shaped objects, like a peanut shell?? A: Use the water displacement method. Pour some water in a graduated container and measure the water ...
Supplements and Complements	9/1/2008
Q: i am now working with supplementary angles and complementary angles, and do not understand it at ... A: Firstly, don't panic. Acknowledge that problems such as these are ones you'll have to solve, so ...
Circles - Finding Radius	8/28/2008
Q: Given a chord that intersects a circle and that distance between the intersection points is 11", and ... A: You're right, using Euclidean geometry, this was likely done a couple thousand years back. Begin by ...
Functions - Vertical Line Function Test	8/28/2008
Q: how do I find out if it is a function or not?? A: You need four letters: VFLT. This stands for "vertical line function test." Draw a vertical line ...
Segment Addition Postulate	8/27/2008
Q: I am stuck on this problem and I can figure it out lm=3x+8 mn=2x-5 ln=23 what is the length of each A: I'm assuming M is between L and N. If not, then what I'll do will be wrong. In the future, be sure ...
Math question	8/26/2008
Q: How would you do this? The volume of a cube increases by 12.154 cm3 when the length of the sides is ... A: Let s equal the length of the initial side. Because we are dealing with a cube, the initial volume ...
Supplements and Complements	8/26/2008
Q: the supplement of an angle is 36 less than twice the supplement of the complement of the angle. Find ... A: Read the question carefully and translate the English into math. Let (x) equal "an angle." ...
Isosceles Triangle Proof	8/25/2008
Q: Prove is base angles of a triangle are congruent, then the triangle is isosceles. The given is angle ... A: I'm pretty sure I know how this is done, but I need to know specifically what you mean by "bisected ...
Pythagorean Theorem	8/22/2008
Q: Help! my teacher assigned this concept for homework and didn't explain it! i need to find to find ... A: Don't worry, this is actually quite straightforward. Draw your line AB. Make a point C at (8,0). ...
Word Problem - Pole Vault	8/20/2008
Q: IF A POLE -VAULTER USES A 15-FOOT-LONG POLE.SHE GRIPS THE POLE SO THAT THE SEGMENT BELOW HER LEFT ... A: The segment below her left hand is twice the length of the segment above her left hand. ...
Segment Addition Postulate	8/19/2008
Q: I'm trying to help my son and we can't figure this one out. Let point N be between M and P. Let ... A: The segment addition postulate states that the sum of the parts equals the whole. MP=MN+NP. Plug ...
Complementary Angles	8/18/2008
Q: Find an angle such that 4 times it's compliment equals 200 A: Let "an angle" equal (x). Its complement is thus (90-x). Set up the equation and solve for x. ...
Polygons - Diagonal Problem	8/16/2008
Q: what polygon has a number of sides that is 5 times its number of diagonals? A: Let d equal the number of diagonals and n equal the number of sides. In this case, n=5d, d=0.2n. ...
Hyperbola	8/13/2008
Q: Foci (0,0) and (0,10), asymptote is x+y=5 I now how to solve the center and the value of C. How can ... A: Firstly, rearrange the asymptote equation into something more manageable. x+y=5 y=-x+5 The ...
Area - Rectangluar Prism	8/12/2008
Q: what is the formula for find this area ANSWER: Hi Rokisha! The total surface area of a rectangular ... A: Rokisha, Please specify which area. A rectangular prism has 6 faces, three of which have different ...
Construction	8/9/2008
Q: (In words step by step)I need to know how to use a protractor to draw angle D such that the measure ... A: A protractor is a semicircle with the angle measures written on it. You would just have to make ...
Coordinate Geometry - Linear Equations in 2 Variables	8/6/2008
Q: What is the equation of the line that contains the points with coordinates: (-3,7) and (5,-1)? Step ... A: Hey Justin, Let's find the equation in the slope-intercept form, y=ax+b. Begin by finding the ...
Algebra - Evaluating Expressions	8/6/2008
Q: trying to help my son. could you please assist me -cde3 C=5 D=1 E=-2 AND -2a2+(b+ac) when ... A: Simply substitute the given values into the expression and then do the arithmetic. (I'm assuming ...
Measuring System for Cylinder Gas Tank	8/4/2008
Q: I have a horizontal cylinder gas tank in my boat and it does not have a gas gage. I stick measure ... A: If the tank is a true cylinder, then its volume may be solved for using πr^2h, where r is the ...
Construction of a Bridge	8/1/2008
Q: A new bridge is to be constructed over the East River in New York City. The space between the ... A: One clarification is necessary. "The height at the center of the arch needs to be 350 feet." Is ...
Liters and Volume	7/31/2008
Q: Can liters be converted into a dimensional factor. For example, can 450 liters be converted into a ... A: Hey Bob! Liters cannot be converted strictly into a length, width, or depth because you cannot go ...
Perimeter - Rectangle	7/28/2008
Q: Find the perimeter of a rectangle with width 2(x-y) and length 3(x+y) A: The perimeter of a rectangle is calculated by taking twice the sum of the length and width. p=2(l+w) ...
Square Feet	7/26/2008
Q: I have a pool 12ft by 3ft how many square feet is that? ANSWER: Hey Ryan, I'm guessing this pool ... A: You know the shape and the dimensions of the pool because you have the full question. I don't. If ...
constructing a rhombus	7/25/2008
Q: How do I construct a rhombus with sides the length of the given line segment (1-inch) and having an ... A: Make a right angle and bisect it. You now have a 45-degree angle. Measure out 1" on each of the ...
Surface Areas - Hexagon and Pentagonal Pyramid	7/24/2008
Q: how to find the surface area of a regular hexagon and a pentagonal pyrimid A: Hey Ayana! A regular hexagon may be subdivided into 6 congruent equilateral triangles. The ...
Angles with Algebra	7/22/2008
Q: What is the measure of the larger angle of two supplementary angles if two-fifths of the larger ... A: Let the large angle equal x. The smaller angle will thus equal 180-x. Translate this question from ...
Prism - Longest Line	7/22/2008
Q: the dimensions of a wooden prism horizontal up and down 5cm and vertical is 9cm . known what is the ... A: Given what I can make out from your question, I'd say the largest face is 5 cm by 9 cm. Solve the ...
Bisecting a 60 Degree Angle	7/17/2008
Q: I know this: To draw a 60 degree angle, fix compass on point A and draw an arc intersecting straight ... A: Hey Somnath, These arcs of random but equal measure serve as reference points. What is needed to ...
Bisecting a 60 Degree Angle	7/17/2008
Q: I know this: To draw a 60 degree angle, fix compass on point A and draw an arc intersecting straight ... A: I don't quite follow the part about the actual bisection. To my understanding, it would not work. ...
Linear Functions	7/16/2008
Q: How do you graph x=3, and how do you graph -19<3x+2<20. but the the greater that signs are all less ... A: x=3 is not a function. It has what is known as an "undefined slope." This is really a vertical ...
Area - Sector of a Circle	7/16/2008
Q: I need to calculate the area of a sector within a circle which is less than a semi-circle. Can you ... A: Hey Bill, If you were asked to find the area of the sector which represented 1/8 of the circle, ...
Similarity - Calculating Scale Factor	7/12/2008
Q: if the height of a cone is tripled and the radius is doubled, then the volume of the new cone is how ... A: Hey Meilani! For the initial cone, let all the parameters equal 1. Put the scale factor, k, on ...
Similarity - Areas	7/12/2008
Q: the perimeters of two similar polygons are 36 and 48. if the area of the larger polygon is 96, what ... A: You need to find the scale factor, k. This is the ratio of one-dimensional measurements: side, ...
Ratio - Pyramid	7/12/2008
Q: A regular square pyramid with height 8m is intersected by a plane parallel to the base and 2m above ... A: Let the edges of the base equal 1. This will make calculations easier. Find the volumes of the ...
Probability - Darts on a Square Board	7/12/2008
Q: A square dart board 60cm on a side has a sqaure baseball field 40cm on a side and 4 smaller squares ... A: Hey Athyna! You are dealing with area, which means 2 dimensions. You must find the fraction of the ...
Problem Solving - Working Backwards	7/10/2008
Q: Larry, lionel and lester painted a fence. Larry painted the first 1/3 of the fence. Lionel painted ... A: Let the fence's length equal x. Watch carefully. (1/3)x+(1-1/3)(3/5)x+40=x 1/3 3/5 of the ...
Probability - Darts	7/10/2008
Q: a target has circles with radii of 2cm, 10cm, and 20cm. what is the probability that the dart would ... A: A few assumptions have to be made to answer this question. We need to assume there is a 100% chance ...
Ratios - Hexagons	7/10/2008
Q: given: the areas of two regular hexagons are 54 radical 3 and 150 radial 3. what is the ratio of ... A: Because we're dealing with 1 dimension in both cases, the ratio of their perimeters is equivalent to ...
Linear Functions - Undefined Slope	7/10/2008
Q: What is the slope of the line that passes through (c, d) and (c, 1/d)? A: Hey Casey! Slope equals the difference in y over the difference in x. In this case, there is no ...
Volume - Triangular Pyramid	7/8/2008
Q: I can't seem to find the volume of this pyramid.. A regular triangular pyramid has a height of 12 ... A: Hey Rob! This is actually quite tricky. Take a profile view of the pyramid. You will see an ...
Basic Trig - Slide	7/7/2008
Q: A slide has an angle of elevation of 25 degrees. It is 60 feet from the end of the slide to the ... A: Basic trigonometry is what you need here. You need the adjacent side and the hypotenuse of the ...
proving a triangle is isoceles	7/5/2008
Q: Azeem,I am in desperate need of help. I have to prove a triangle is isosceles in a two-column ... A: ([justifications will be bracketed] "=" means congruent) In triangle AGC: m<BGE=m<DGE [given] ...
Perimeter - Rectangular Prism	7/3/2008
Q: What is the formula for find the perimeter of a rectangular prism? A: Three-dimensional figures don't really have a "perimeter," but two-dimensional figures do. Do you ...
Volume - Cylinder	7/3/2008
Q: i have been asked for my homework to verify that the vol. of a cylinder is pirr*h using modelling ... A: I would begin by making the base of the cylinder, whose circular area would be calculated by ...
Supplementary Angles	7/1/2008
Q: Find the measure of the angle whose measure is 40 degrees more than the measureof its supplements. A: Let "x" equal your angle. "x+40" thus equals its supplement. Supplementary angles have a sum of ...
Triangles - Congruency	6/28/2008
Q: i do not understand how to get the answers to questions such as this is triangle ABC is congruent to ... A: There is insufficient information given to say that the triangles are congruent. I would need a ...
Segment Addition Postulate	6/24/2008
Q: let c be between d and e.use the segment addition postulate to solve for m. dc=6m-21 ce=7m-18 de=65 ... A: The segment addition postulate states that the sum of the parts equals the whole. This means that ...
Circles / Coordinate Plane	6/24/2008
Q: What is the method for finding any coordinate pair of the points of a circle, given the radius, ... A: Think vectors: the x-coordinate is equal to the magnitude times the cosine of the angle and the ...
Length and Width of a Rectangle	6/23/2008
Q: The length of a rectangle is 2 inches less than twice the width. The diagonal is 5 inches. Find the ... A: Hey Peter, "2 inches less than TWICE the width." Here's the proper math: c^2=a^2+b^2 ...
Length and Width of a Rectangle	6/21/2008
Q: The length of a rectangle is 2 inches less than twice the width. The diagonal is 5 inches. Find the ... A: Let the width equal (x) and let the length equal (x-2). These two sides are perpendicular to one ...
Angles and Quadratics	6/18/2008
Q: i got this question that i cannot figure out at all Angle ABC is a right angle. Angle ABD is ... A: So the sum of both angles is 90. Set up the equation, make it equal zero, and then use the ...
Perimeter of Circles	6/16/2008
Q: i was surfing on the net a few days ago and i found this question. unfortunately the answer for this ... A: Here's the way I see it, informally. (r6 is the big radius, d1 through d5 are the smaller radii.) ...
Analytic Geometry - Line Division	6/14/2008
Q: The endpoint of segment AB are : point A (1, -5) point B (9, 11) find the coordinates of the point ... A: Firstly, sketch out the situation. Find out which point is higher up (B) and where the division is. ...
Proofs - Tangents	6/14/2008
Q: Prove that tangents to a cirlce at the endpoints of a diameter are parallel.State what is given,what ... A: I'm sure there are a few ways to do this, but I'll give you the way I see it. Let's give the circle ...
Area - Equilateral Triangle	6/12/2008
Q: The question is Find the AREA of an equilateral triangle with the perimeter 90 cm. Thanks A: Equilateral triangles have 60 degrees per angle. This means that the height of your triangle is ...
Proofs	6/8/2008
Q: I have to proofs that I am unsure how to do. I'll give you everything that the problems have, and ... A: Hey Amber, The first proof seems fine to me. As for the second, I don't understand why you've done ...
Supplemements	6/8/2008
Q: The measure of an angle is 8 degrees less than three times the measure of the angle's supplement. ... A: To make this more manageable, translate this from math to English. Make "an angle" equal "x." "is" ...
Vertically Opposite Angles	6/6/2008
Q: If 5x degrees and (7x - 12)degrees are the measures for vertical angles formed by two intersecting ... A: Vertically opposite angles formed by intersecting lines are equal. Make both angles equal and solve ...
Volume - Cylindrical Tank	6/3/2008
Q: How much water, in gallons, will fit into a cylindrical tank 12" in diameter and 12" in height? A: The area of a cylinder is found my multiplying the base area by the height. The base is a circle, ...
Area - Justification for bh/2	6/3/2008
Q: Why is the formula for the area of a triangle 1/2bh? Thank you for your help! A: This is best seen with two right triangles. If you put two right triangles together, you will see ...
Proofs - Circle	6/1/2008
Q: Given: Segment AC and segment BD are diameters of circle O. Prove: Angle ABD is congruent to Angle ... A: For formatting simplicity, "=" means "congruent." The justifications are in [brackets.] In circle ...
Rhombus Areas	5/30/2008
Q: A rhombus has sides of length 10, and its diagonals differ by 4. What is its area? A: Let the length of the short diagonal equal (x). The long diagonal will thus equal (x+4). The ...
Polygons	5/29/2008
Q: True or false.. a quadrilateral cannot have exactly 3 angles that are right angles please explain ? ... A: This is false. A quadrilateral has 360 degrees of interior angles. If three angles are right, then ...
Percentages - Math Final	5/26/2008
Q: whats the formula for calculating what you need on your final to keep the same letter grade. ... A: I'm unfamiliar with letter grades; I only know percentages, so I'll show you how to calculate what ...
Number of Sides in a Polygon	5/22/2008
Q: calculate the sides of a regular polygon whose interior angles are 150 degrees? A: I take it you mean the NUMBER OF sides. The sum of the interior angles in a polygon can be ...
Apothem	5/22/2008
Q: can you please helpt me. A petagonal based pyramid has a volume of 2756m^3. Determine the length of ... A: I need you to specify which apothem. Are you referring to the non-base edges of the pyramid, or are ...
Product of Odd Numbers	5/21/2008
Q: Find 3 x 5, 13 x 7, 9 x 5, and 123 x 7. Find the product of any two odd numbers. State a ... A: The conclusion I draw from this is the following: the product of two odd numbers is always a third ...
Distance Between 2 Points	5/21/2008
Q: what is the approximate length of segment XY if X is located at (-2,5) and Y is located at (4,-10) A: This is found by making a right triangle in which XY is the hypotenuse. The length of each leg is ...
Area - Halo	5/14/2008
Q: If I have a 9.5 foot ring that is 2 foot wide how do I figure the square footage? I am lost on this, ... A: Imagine if the ring were unfolded. It would be a rectangle whose width were 2 feet and whose length ...
Area - Floor	5/8/2008
Q: what is the area of a floor that measures 6 yards by 14 feet? A: I'm assuming this floor is rectangular. You must get all your units to the same thing. Make ...
Conic Sections - Solving for y	5/8/2008
Q: The equation is x(squared)+y(squared)=64. It's a conic equation for a circle and I can't figure out ... A: When you graph a circle, you can't solve for y, because a circle is not a function. The best you ...
Area - Goat Tied to Fence	5/7/2008
Q: It's been a while since I've dealt with a geometry-related math problem. And despite being really ... A: Hey Livvie, If I gave you a circle's area asked you to find the area of half that circle, you would ...
Complementary Angles	5/7/2008
Q: one angle is 8 times the other. The two angles are complementary. find the measurment of both ... A: Let one angle equal x. Consequently, the other equals 8x. If they're complementary, then their sum ...
Area - Goat Tied to Fence	5/6/2008
Q: It's been a while since I've dealt with a geometry-related math problem. And despite being really ... A: As I gather, there is a lot of unnecessary information in this problem. This leads me to think that ...
Creating an Arc	5/6/2008
Q: I need to create an arc over a doorway.I know the width and the height.For example the width is 65" ... A: Hey Cliff, According to my understanding of the question, you only need the width of the door. ...
Parallelogram - Area	5/5/2008
Q: An acute angle of a parallegram measures 60 degrees , if a base measures 15cm and the other side ... A: A parallelogram's area is found by multiplying the base by the height. To find the height, create a ...
Rectangular Yard	5/4/2008
Q: I have a question about measurements which I thought would fall into the category of geometry. My ... A: Allow me to begin by stating that in a case like this, it is always a square which will yield the ...
Euclides	5/3/2008
Q: What is Euclid's 5 postulates used for today? And what have they been used for? A: #1: A straight line segment can be drawn joining any two points. #2: Any straight line segment can ...
Word Problem - Hunting	4/29/2008
Q: There was nobody available from the word problem area. Any chance you can answer this one. I am ... A: This is a bizarre question. I can tell you that if he actually did travel 3 miles South and then 3 ...
Volumes and Surface Areas	4/28/2008
Q: how do i figure out the surface area and volume of prisms... like cylinders pyramids, cones, ... A: The volume of any prism is found by multiplying its base area (ba) by its height (h). As for their ...
Similarity - Circle Areas	4/28/2008
Q: The problem is: the scale factor of 2 circles is 3:2. The area of the larger circle is 81pi. Find ... A: You need the scale factor, k. This is given in theit is 3/2. k works in one dimension only. You ...
Proof - Right Isosceles	4/24/2008
Q: Draw and label a picture, use a two column proof format with statements and reasons. Given: ... A: In triangle PQR, <Q=90 because given <R=45 because given <P=180-90-45=45 because sum of int. angles ...
Trigonometry - Tangent Ratios	4/24/2008
Q: this is more for my girlfriend than it is for me. she is needing help with the following problems at ... A: I'm not going to do your girlfriend's homework for her, but I'll tell you some tips that you can ...
Axis of Symmetry	4/23/2008
Q: what is the axis of symmetry? A: An axis of symmetry is a line or reflection. If you were to cut the figure in two about that line, ...
Proofs - Corrsponding Parts	4/23/2008
Q: When proving that two (non special) triangles are congruent, how many pairs of corresponding parts ... A: Frankly, I don't quite understand your question. Triangles' congruency is proved by side-side-side ...
Adjacent and Vertical Angle Pairs	4/20/2008
Q: I am home schooled and have a question on a problem i have been stuck on for awhile now, and it ... A: Hey Drake, Begin by converting the question from English into math. Let's call "the angle" x. ...
Rhombus on a Cartesian Plane	4/20/2008
Q: how can you calculate the coordinates of a rhombus if the only give you the length of the line and 1 ... A: I need to know of the rhombus is ABCD or if it's in a different order. Are the equations given ...
Rhombus on a Cartesian Plane	4/19/2008
Q: how can you calculate the coordinates of a rhombus if the only give you the length of the line and 1 ... A: This is not really doable. This is because a rhombus has a few variables, and when you put it on a ...
Statistics - Mean	4/17/2008
Q: What is the mean of 81, 76, 94, 81, 79, and 78? A: The mean is what most people casually refer to as the "average." It is found by taking the sum of ...
Rhombus - Diagonals	4/16/2008
Q: ABCD is a rhombus. it has two 120 degree angles and two 60 degree angles and all of it's sides equal ... A: The sine law can be used to solve for your diagonals. The ratio of the sine of an angle to the ...
Triangle	4/15/2008
Q: One leg of a right triangle is two inches more than twice the other leg. The hypotenuse is 13 ... A: Use the Pythagorean Theorem, c^2=a^2+b^2. Let's make a=x, and b=x+2. c=13, as indicated by the ...
Sine Equations	4/14/2008
Q: solve the following equation algebraically for all the values of theta in the interval 0<theta<180. ... A: For formatting's sake, let's use "x" instead of "theta." Now, get all the numbers on one side. ...
Trigonometry - Lengths from Angles	4/11/2008
Q: I'm not a student, however my inability to navigate the web led me here for with my questions, ... A: Draw a sketch and label your triangle. Make your angles <A, <B, and <C. Make the sides opposite ...
Extra Credit Impossible Problem	4/11/2008
Q: Let P be any point in the interior of rectangle ABCD. Four triangles are formed by joining P to each ... A: I began by drawing the diagram, evidently. I also added points W, X, Y, and Z. Each of these ...
Algebraic Comparison	4/8/2008
Q: For what positive number is the square root of the number the same as the number divided by 40 ? A: Let's call "the number" x. Let's now put x in an equation. Convert the language from English to ...
Surface Area - Pyramids	4/7/2008
Q: all, right. so i've asked for your help before and you helped me loads. think you can try again? ... A: Hey Keli! This is actually not that easy. I don't know what is meant by "length," but luckily it ...
Parallelogram's Points	4/6/2008
Q: a paralleogram has coordinates PQRS P(-3,-1) Q(0,a) R ( 7,11) S(c,b) determine the value of a+b+c A: Firstly, make a sketch of the problem. To prevent complications, let's not rotate the ...
Lateral Area	4/4/2008
Q: im getting a bit confused. im in geometry and working with lateral area. my formula sheet says that ... A: Don't panic, I can help you. LA only equals height times BASE perimeter in prisms. Because this is ...
Pythagorean Geometry	4/4/2008
Q: Okay, so the proof on the website below is getting me quite frustrated. I read and tried what their ... A: Although this proof is very poorly explained, it is the way the Pythagorean Theorem is derived. I ...
Triangular Prism Lateral Area Formula	3/31/2008
Q: All i really need is the formula for finding the lateral area of a triangular prism. A: I'll use height (h), width (w), and depth (d). a=3dw+hw You have 3 rectangular sides which explains ...
Octagon's Area	3/30/2008
Q: if, a regular octagon has all of its vertices on circle with a radius of 2m, work out the octagon's ... A: Hey Katie, May answer was 8 times the square root of two, which is roughly equal to 11.31 metres ...
Group Average	3/30/2008
Q: what is the best way to figure out the length of a diagonal line across a rectangle? can you give me ... A: Allow me to begin by pointing out that this is not a follow-up, it is a separate question. In the ...
Definitions - Midpoint	3/27/2008
Q: What's symmetric property of congruence And definition of midpoint A: The symmetric property states that things that are equal to each other are also equal to the reverse ...
Octagon's Area	3/27/2008
Q: if, a regular octagon has all of its vertices on circle with a radius of 2m, work out the octagon's ... A: You've got the right idea, although it would be easier if you divided the octagon into 16 right ...
Construction - "15 Degree Triangle"	3/25/2008
Q: How can I construct a 15 degrees triangle using a compass A: This question's a bit vague, so I'll fly over the answer. Essentially, create a 60 degree angle the ...
Similarity - Radii	3/24/2008
Q: If the radius of a circle is made one-fifth as long as the original radius, what fraction of the ... A: This is a similarity problem which requires you to find the scale factor, k. k is equal to the new ...
Triangles	3/21/2008
Q: i do not have an example to provide but my question was do you use the pythagorean theorum to find ... A: The Pythagorean Theorem only works for right triangles. However, it is a simplified form of the ...
Tank Circumference	3/20/2008
Q: I am an oil field worker and college was too many years ago to recall. I would like to find a ... A: Hey Mark! You need to find the circumference of a cylinder. The formula for the situation here is ...
Biconditional Statement	3/20/2008
Q: is a biconditional statement a statement that can be both true and false A: A statement that can be both true and false is of absolutely no use to you. A biconditional ...
Dechlorinator	3/19/2008
Q: I bought an inexpensive dechlorinator for my aquariums. All it says on the back is: 1.207 grams ... A: Let's get a few things straight. Grams are a measure of mass; teaspoons are a measure of volume. ...
Diagonal of a Rectangle	3/18/2008
Q: what is the best way to figure out the length of a diagonal line across a rectangle? can you give me ... A: I'm going to assume you are given both the length and width of the rectangle. (You need either both ...
Depth of Lake Function	3/13/2008
Q: An artificial lake is 1.5m deep at the end of a dock.The lake gets 1.75m deeper every 10m from the ... A: Create a simple partial variation function in the form y=ax+b. Let y=the depth of the lake, a=the ...
Sq. Footage in a Circle	3/10/2008
Q: If I have a circle 75.60 ft. across, how many square feet would the circle contain? A: The area of a circle is measured by multiplying pi by the square of the circle's radius. The ...
Angle Construction	3/10/2008
Q: lesson plan for teaching construction of 60 and 90 degrees angles A: To construct a 90 degree angle, first draw a line. Next, put your compass on that line and draw a ...
Golden Ratio	3/9/2008
Q: .. so would you mind send me some refrnces to go and find my question thanks,sanaz A: I remember my project on this stuff. Honestly, just Google "golden ratio application" or "uses of ...
Area of Irregular Shapes	3/9/2008
Q: i have a question. How to find the area of a irregular pattern or shape? Please reply. A: What is an irregular pattern? If it's irregular, wouldn't it not be a pattern? You need to ...
Diagonals of Kites	3/9/2008
Q: Im trying to find the longest diagonal of a kite, being given the lengths of the 2 sides and no ... A: This is actually a pretty awesome question once you figure out how to solve it. The longest ...
Triangle Definition	3/8/2008
Q: 3.02] An equiangular triangle is defined as which of the following? A triangle containing three ... A: I know these are homework questions and you shouldn't be asking them and I shouldn't be answering ...
Rectangle from Diagonal	3/2/2008
Q: Were to start, well the reason for this question is that I use autocad, I am trying to write a lisp ... A: By "creating the rectangle" are you referring to the mathematics, or the programming? The ...
Rhombus' Angle Measures	2/24/2008
Q: A rhombus has diagonals of length 4 and 10. Find the measures of the angles of the rhombus to the ... A: Break this rhombus down into 4 right triangles about in which half the diagonals are legs. This ...
Angle Addition Postulate With Variables	2/23/2008
Q: I know how to do angle addition postulates with numbers but I need some help when trying to figure ... A: Hey there Shelby! Find which angle is the biggest. Let's say that its <CBD in this case. This ...
Surface area of Pyramids	2/22/2008
Q: Allright this may seem stupid but i just can;t seem to grasp the surface area concept...especially ... A: Don't worry. The area all the triangles in the pyramid is found to be sln/2. The slant height is ...
Volume of a displaced sphere...	2/20/2008
Q: Not sure if this is geometry or not... Let's say you have a perfect sphere and drop it into water. ... A: This question requires you to compare surface area to volume. This means comparing two dimensions ...
Octagon Help	2/15/2008
Q: I am currently working on wood working project a flower vase and I am hoping that you can help me. ... A: Each angle of your octagon will be 135 degrees. This is found by the formula int. < =((n-2)180)/n. ...
Slopes	2/13/2008
Q: my son has a slope homework....Here is the description... The points given in each table lie on a ... A: Great attempt, but your explanation is not crystal-clear to me. I'll help you to the best of my ...
Algebraic Equation	2/6/2008
Q: what is 16y=164 A: You must solve for "y" by isolating it. That means getting it alone. To do so, you must divide it ...
Circle - Radius from Circumference	1/30/2008
Q: if a circle has a circumference of 8 how can I find the radius of the circle A: The circumference of a circle is calculated by c=2πr. Plug in 8 and solve for r. c=2πr ...
Proofs - Parallelogram	1/28/2008
Q: write in a two column proof: Given: wx is parallel to zy; wz is parallel to xy Prove: angle w is ... A: Statements are on left, justifications are bracketed; "//" means "parallel." In quadrilateral WXYZ: ...
Isosceles Triangle - Angle Bisections	1/25/2008
Q: Prove that the bisectors of the angles of base of an isosceles triangle intersect each other on its ... A: The bisectors of the base angles of an isosceles triangle intersect each other on ONE of its ...
Apothems	1/23/2008
Q: How do you find the apothem of a regular polygon something like a hexagon? A: Hey Gary! The apothem is the distance from the centre to the middle of a line segment. This can be ...
Geometry - Complement of an Angle	1/21/2008
Q: S.) and thanks in advance for your help. As a teacher, I'm filling in for low-level math and need a ... A: A system of equations will allow you to solve this. Firstly, let's designate "1 angle" as "x" and ...
Pentagon Angles	1/19/2008
Q: i have a pentagon with 3 right angles. i am trying to figure out the degree of the other 2 angles. ... A: James, Please send me a diagram or clarify your question. I only have four side measurements, and ...
Parallelogram - Definition	1/14/2008
Q: what is a parallelogram A: A parallelogram is a quadrilateral (four-sided polygon) whose opposite sides and angles are equal ...
Analytical Geometry - Line Division	1/13/2008
Q: Given three points A(0,2) B(4,6) and C(3,0). P is a point on AB such that AP:PB= x:1 a) find the ... A: Hey Ginger! Given the level of complexity of this problem, I'll tell you how to do it now, and you ...
Geometry - Proof	1/12/2008
Q: Prove that 2 angles that are supplemental to a third, are congruent to each other. And I'm not ... A: To be completely honest, I don't exactly understand the situation as you have described it. The "2 ...
Square Meters Versus Square Feet	1/9/2008
Q: How many square feet are there in 100 square meter? A: Hey Jerry, There are approximately 3.28 feet in a metre. Because we are dealing with area, in 2 ...
Trig Question	1/4/2008
Q: I barely remember my high school trig from 20 years ago. Finally, I need it for a project :) In a ... A: This is a tough one. The law of cosines is necessary to solve it, as well as a system of equations. ...
Converting Square Centimetres to Square Feet	12/30/2007
Q: Please could you assite me, its been over 15year since i did my last conversion. I have created a ... A: A foot is equivalent to 30.48 centimetres. Therefore, you have to multiply 10 000 by 30.48 to give ...
Tank Capacity	12/27/2007
Q: I found a 30" x 90" cylinder tank in my backyard. what is the fluid capacity. thanks ... A: Hey Anthony, The formula for finding the volume of a cylinder is 2πhr^2. I'll have to assume ...
Locus - Fence	12/16/2007
Q: a map shows that a treasure is located 5 feet from a long straight fence, and also 8 feet from a ... A: I can't actually draw you a diagram here, but assuming the gate has SOME width, I can tell you how ...
ASA Postulate	12/12/2007
Q: I have a rhombus with a transversal through it diagonally and the top and bottom lines have parallel ... A: Hey Janet, The ASA Postulate may be used. Rhombi, by definition, have 4 sides of equal measure. ...
Duplicate Questions	12/11/2007
Q: I dont know how t study and learn how to do it. i need some study tips.. I'm having a hard time ... A: Trisha, Please don't send duplicate questions to experts. I'm going to assume this was an Internet ...
Studying Geometry	12/11/2007
Q: I dont know how t study and learn how to do it. i need some study tips.. I'm having a hard time ... A: Take what you've learned in class and condense it into a few equations, formulae, theorems, and ...
Geometry for an Accountant	12/5/2007
Q: Can you please tell me what kind of Geometry does an accountant use and do a problem how they use ... A: An accountant would use a logarithmic function to determine something exponential, such as an ...
Rate of Water	12/2/2007
Q: water flows in a 400mm diameter drain to a depth of 120mm at a speed of 200mm/sec.calculate the rate ... A: I need to make several assumptions in order to interpret this question and answer it. This drain ...
Locus and Equations of Lines	11/30/2007
Q: describe the locus of points equidistant from the points F(-2, 1) and G(6,3) and give the equation ... A: This is on a plane, right? First, figure out what the locus will look like. It will be a line ...
Parallelograms - Planes	11/29/2007
Q: Why is it that when planes are drawn as diagrams that they are always drawn as parallelograms? ... A: Azza, I must say that my response will be no better than your teacher's. Furthermore, I also don't ...
Parallelogram	11/27/2007
Q: State the principal defintion or theorem that enables you to deduce, from the information given, ... A: Something is wrong here. How does <SQR exist, and how is it congruent to <QPS? You meant <SRQ, ...
Perimeter - Parallelogram	11/26/2007
Q: The perimeter of parrellelogram JKLM is 46cm, and JK is 1cm longer than JM. find JK and JM. A: Let (JM=x). This way, we know that (JK=x+1), right? To find the perimeter, we need to add all four ...
Ellipse - Eccentricity of 1	11/25/2007
Q: I am Mohammed Babaee, an Expert in Windows Mobile Devices at AllExperts. I have oneHow can we prove ... A: I would use logic to show this. If e=0, then the ellipse is really a circle, for both foci are ...
Circle - Debate	11/22/2007
Q: I am in the midst of a geometry debate, I submit in my argument that a circle does not necessarily ... A: I totally agree with your perspective. Although a sphere has a radius, it is not based on a circle ...
Algebraic Angles	11/21/2007
Q: I am having a hard time figuring out this question, I hope you can help me. :)In ABC, M<BAC=5x+8, ... A: Hey Elizabeth! You know that the sum of the interior angles in a triangle is 180 degrees. ...
Analytical Geometry - Midpoint	11/18/2007
Q: I have having trouble on a few answers. Q1:Find the coordinates of the midpoint of a segment that ... A: Hey Emily! You're right for Q1, but you've made a tiny mistake. 5+(-3)=2, not -2. The midpoint's ...
Analytical Geometry - Perpendicular	11/17/2007
Q: How do you find the y-intercept of a perpendicular line? I already know how to find the slope. For ... A: You need a point on this perpendicular line to find the y-intercept. You know the slope is the ...
Lateral Area of a Rectangular Prism	11/16/2007
Q: Find the lateral area of a rectangular solid with length 10, width 6, and height 4? What is the ... A: l=10 w=6 h=4 la=lateral area By "rectangular solid," I take it you mean rectangular prism. The ...
Rhombus' Diagonal	11/12/2007
Q: A rhombus has an angle of 120*, and its longer diagonal has a length of 12 centimeters. Find the ... A: Rhombus' diagonals intersect at a right angle. Knowing this, basic trig will guide you to the ...
Triangles	11/10/2007
Q: sir, could you tell me how many triangles can be drawn by joining 7 non collinear points? ... A: Hey Akshaya! I've done this and I get 15 triangles. If duplicates and triplicates are included, ...
Analytical Geometry - Isosceles Triangle	11/9/2007
Q: for the isoscles triangle with vertices A(-6,-1), B(5,5) and C(11,-6) determine the following 1. ... A: Hey Will, I'll tell you how to do this: 1. Graph the triangle. This can be done visually, but if ...
Perpendicular Bisectors and Altitudes	11/8/2007
Q: I am having troubles solving some questions in regard to altitudes and perpendicular bisectors, I am ... A: Question 5 can be answered quite simply using the segment addition postulate. RX=RS+SX ...
Geometry - Rhombus	11/7/2007
Q: I am a a hard time figuring out this problem, here's the problem: Find the value of x,y, and each ... A: Hey Lizzie! Let's begin with the angle measurements. One property of a rhombus is that its ...
Reflection Upon a Line	11/6/2007
Q: Find the image of the points K(5,-2) and L(-10, 4) reflected in the line y=2/3x +6 Would I start ... A: Draw this out on graph paper to find the actual coordinates of the image points. From that, notice ...
Substitution Postulate	11/2/2007
Q: i have a problem distinguishing segment addition postulate and the substitution postulate. the two ... A: Hey Nikko! The substitution postulate tells us that a quantity and its equal(s) are interchangeable ...
Length of a Median	10/30/2007
Q: How to prove that in a triangle, length of the median to the smallest side is larger than the length ... A: Draw them both and measure them. At any rate, the median hitting the smallest side must be the ...
Proofs - Circle	10/30/2007
Q: Hey, Ok. this is kind of long to start out with. Start by drawing a line segment g. From those ... A: Hey Elizabeth, The most logical way I see this is that the side measuring root h is a radius. This ...
Analytical Geometry - Functional and Standard Forms	10/28/2007
Q: find an equation of the line passing through the given points. (a) write the equation in ... A: First, find the slope: a: a=ΔY/ΔX a=((-5)-(1))/((3)-(6)) a=-6/-3 a=2 Now for the ...
Equivalent Ratios	10/28/2007
Q: ) I am a little confused about how to go about answering this problem... One of the numbers from ... A: Hey Janine, We need to find a common denominator. Alternatively, we could just figure out the ...
Transformational Geometry for Real	10/27/2007
Q: need to illustrate one exampl eof each reflection, translation, rotation and glide reflection to a ... A: Shooting the puck around the boards behind the net would be a rotation. Shooting the puck off the ...
Applications of Geometry	10/27/2007
Q: I would like to know the applications of geometry in real life ? Where all do we use geometry in ... A: Geometry is really all around us and has virtually infinite real life applications. Perhaps you ...
Squares	10/27/2007
Q: Can you help me, I am having difficulty? If the perimeter of a square is 152 m. What is the area of ... A: Hey Janine! By definition, a square has four equal sides. To find the length of one side of a ...
Third Angle Theorem	10/26/2007
Q: How do I prove the third angle theorum? A: Hey Carol! The sum of all the angle measures in a triangle (in 2-D at least) is 180 degrees. If ...
Dividends - Multiples of 3	10/24/2007
Q: why is a number that is divisble by a multiple of 3 also divisible by 3 A: This question almost answers itself if you think about it. 3 is a factor of many numbers. For this ...
Circle Definitions	10/23/2007
Q: am i right or wrong here. the question is what is the radius of a 48 inch circle? is there enough ... A: Luke, Generally, when one names a circle by one-dimensional measurement, it is the diameter to ...
Co-ordinate Geometry - Parallelogram	10/22/2007
Q: I need the answer of the following question. If possible reply with details. If the equations of ... A: The 4 equations you have given me are coincident: they are all the same line. There is no ...
Locus	10/22/2007
Q: IN SPACE WHAT IS THE LOCUS OF POINTS EQUIDISTANT FROM THE VERTICES OF A SQUARE? A: Hey Sarah, I'd say it would be the summit of a pyramid whose base vertices are formed by those of ...
Ratios as Percentages	10/14/2007
Q: I need your help! I can't figure out how to determine comparison ratios. Can you tell me (step by ... A: By definition percent means "for every one hundred." The symbol is thus a 1 with a 0 in either ...
Point (x,y) in a Closed Figure	10/9/2007
Q: Given a closed figure, or irregular ploygon, defined by points (X1,Y1) ... (Xn,Yn) - (X1,Y1) How do ... A: I'm sorry to say, but I don't fully understand your question. I gather you mean given the points of ...
Tessellation	10/6/2007
Q: what is a Tessellation A: Andrew, A tessellation is a collection of two-dimensional figures that fill a plane completely, ...
Complements and Supplements	10/6/2007
Q: The question says, "Find the measures of a complement and a supplement of the andle." Then it has ... A: The complement of the angle equals (90-x) while the supplement equals (180-x), where (x) is the ...
Area from Algebraic Perimeter	10/6/2007
Q: A rectangle has a perimeter of 200 and a width of x, what is the area. A: If the rectangle's perimeter is 200, then half its perimeter is 100. Half its perimeter equals the ...
Impossible Triangle	10/5/2007
Q: I am building a roof over my front porch. To make a long question short, I have a triangle ... A: Hey Trevor, A triangle with those dimensions may not exist because the sum of the 2 shorter sides ...
Similarity Transformations	10/4/2007
Q: A cross section of the leg of a dinosaur is a circle with a radius of 6 cm. What should the radius ... A: Logically, a dinosaur twice as tall would be much more voluminous. This is because (k=scale factor) ...
Hexagon in a Circle	10/3/2007
Q: Im in calculus class and am having trouble answering this question finding the area of a regular ... A: Trigonometry and a formula you may or may not have learned make this problem decently quick to ...
Balloon Volumes	10/2/2007
Q: How many regular balloons (6” diameter) will be needed to fill a large plastic bubble (5’5” ... A: Hey Carl, Given how I've been taught, I found each volume using (4/3)(pi)r^3. Nonetheless, I end ...
Proofs	10/2/2007
Q: I just don't understand how 2 do it?? HELP!! Given:angle 6 is congruent to angle7 Prove: Angle5 is ... A: Tsunami, I hate to disappoint you, but I don't have the diagram as you do. I'm thus unable to ...
Polyhedron - Cone	10/2/2007
Q: Is a circular cone a polyhedron? A: Cheyenne! What is a polyhedron? Basically, it's a 3-D figure which has faces made up of polygons. ...
Triangle's Angles	9/29/2007
Q: in a triangle ABC,P is the point on BC such that it trisects BC. also Ap bisects angle BAC,bac=60. ... A: pnd, By drawing a scale diagram, angle APC is found to equal about 126 degrees. Seeing that even ...
Proofs, Postulates, and Properties	9/28/2007
Q: I have this worksheet and do not get some problems. This what, this question in particular, says: ... A: The first two are undeniably given. Your teacher's answer key (or reasoning) is wrong. JK is ...
Algebraic Equations	9/27/2007
Q: how do you do this, and what is the answer: 1/5(a+10)=-3 and t+6.5=3t-1.3 ??? A: In algebraic equations, moving anything across the equals sign changes its sign. REMEMBER THIS! ...
Triangle's Angles	9/27/2007
Q: in a triangle ABC,P is the point on BC such that it trisects BC. also Ap bisects angle BAC,bac=60. ... A: I do not understand the problem as you have given it to me. "P is the point on BC such that it ...
Algebraic Angles	9/27/2007
Q: please help on this problem: how would i solve: angle w is equal to angle z, where the measure of ... A: Hey Ashton, This question gives you an algebraic equation with the variable on both sides of the ...
Segment Add. Postulate Again!	9/26/2007
Q: ..you went step by step which made it easy for me for AC=4/5CB and AB=27 Find CB but you came up ... A: I agree with you in that my method seems easier. From what I gather, I've done nothing wrong, other ...
Segment Addition Postulate	9/25/2007
Q: I'm trying to help my daughter with her Geometry homework but I'm learning with her at the same time ... A: Firstly, the segment addtition postulate states that the sum of the parts equals the whole (I ...
Algebraic Equation	9/25/2007
Q: how do I solve this equation? 6-5(2x-3)=4x+7 A: First, simplify each side of the equals sign as much as possible. On the left, multiply (2x) and ...
Similarity - Areas	9/25/2007
Q: If two polygons are similar their perimeters will have the same ratio as their corresponding sides. ... A: Hey Courtney, The ratio of their areas will be the square of the ratio of their sides. Why? ...
Word Problem - Clock	9/24/2007
Q: if we follow the hour and minute hands of a clock for 24 hours how many times will they form a right ... A: To be honest, a proper answer to this question depends on the mechanics of the clock. My reasoning ...
Segment and Angle Addition Postulates	9/23/2007
Q: what is the difference between the segment addition postulate and the angle addition postulate? what ... A: Questioner Steven asked about the addition postulate before, so browse through my past answers for ...
Geometry - Prism Volume	9/22/2007
Q: if a cube shaped box is 6 inches long and a rectangular box is 10 inches long 4 inches high and 4 ... A: First, find the volume of the cube. Vcube=s^3 Vcube=6^3 Vcube=216 Now, find the volume of the ...
Geometry - Segment Addition Postulate	9/20/2007
Q: I have a test tomorrow over this stuff and its quite confusing. If you could first help me with a ... A: these are kinda tough. Firstly, the Segment Addition Postulate simply means that the sum of the ...
Geometry - Midpoint	9/20/2007
Q: i have a question about segments on a sketch Here is aGiven one endpoint A, and midpoint M, find ... A: Don't worry about getting stumped on this question. Working backwards with the midpoint formula ...
Special Parallelograms	9/20/2007
Q: which of these statements is not true about a parallelogram? A)opposite angles are congruent ... A: Hey Richard, A), B), and C) are definitely correct. I'm assuming by D) you mean consecutive ANGLES ...
Algebraic Perimeter - Carpet	9/20/2007
Q: the perimeter of a rectangular carpet is 70 feet.he width is three-fourth the length. find the ... A: I'm honoured to be able to help you. The carpet's perimeter is 70 feet, with a width 3/4 the ...
Volume	9/19/2007
Q: I have a 60 gallon tank, its 1'-6" wide and 2'-8" tall. I need to know how long to make the other ... A: Hey there, Mandy. To answer this question, I must surmise that you are referring to a U.S. liquid ...
Geometry, complements	9/18/2007
Q: Three times the measure of an angle is twice that of its complement. What is the angle? A: it's a pleasure to help you. First things first, translate the problem from English into ...
Geometry - Mandala Logos	9/17/2007
Q: IN Lesson0.5: What corporate disgns or logos are also mandala? A: Well, I'm don't have very much experience with mandala, but a few TV network logos are instances of ...

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