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Question
How would the side length of the enlarged rectangle compare to the side length of the original triangle? How do I figure this out and how the perimeter and area of enlarged rectangle compare to original rectangle?  

Answer
Are there measurements.

Here is what i can give you.

Triangle Perimeters
a + b + c
2a + b
3a

Area of Rectangle
A1 = L1 * W1
A2 = L2 * W2

Perimeter of Rectangle
P1 = 2(L1 + W1)
P2 = 2(L2 + W2)

L1, L2, W1, and W2 just corrisponds with the rectangle that it is with.

Now if you meant to say enlarged rectangle compared to the original rectangle, then just ignore the triangle info.

As far as i can tell you is that they are proportional.

(L1/L2) or (W1/W2)
(L1 * W2)/(L2 * W2) = Comparison of the 2 Rectangles
(L1 + W1)/(L2 + W2) = Comparison of the 2 Rectangles

Here is another way

(L1 - L2)/L1 = How much percentange L1 is larger than L2
(W1 - W2)/W2 = How much percentage W1 is larger than W2

Area
(A1 - A2)/A1
Perimeter
(P1 - P2)/P1

Sorry i can't tell you much more than that.

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I can answer questions dealing in mathematics of all kinds except for Physics and Calculus, but i can answer questions in Pre-Calculus and Chemistry. I can also answer questions in Recipes of all kinds. I can find games cheats/walkthroughs, but i can`t find a specific game online or offline. I can also do history and recipes for alcoholic beverages.

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