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You are here: Experts > Science > Math for Kids > Geometry > Geometry help
Expert: Scott A Wilson - 9/25/2009
Question
3 times the measure of an angle is twice of it's compliment
Answer
The angle is X.
The complemt is 90-X.
We are given that 3X = 2(90-X).
This means that 3X = 180 - 2X, so add 2X to both sides of the equation.
This gives 5X = 180, so now we can divide by 5.
That is, X = 180/5 = 36.
3X = 108 and the complement of 36 is 90-36 = 54. Note that 108 is suppose to be 2*54, and it is.
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