Thursday

April 17, 2014

April 17, 2014

Posted by **Venus** on Tuesday, September 10, 2013 at 11:51am.

- Math - Polygons and Quadrilaterals -
**Jai**, Tuesday, September 10, 2013 at 12:45pmRecall that the length of a diagonal of a rectangle can be calculated by,

D^2 = W^2 + L^2

or simply, we'll use the Pythagorean theorem.

Substituting,

125^2 = (7x)^2 + (24x)^2

15625 = 49x^2 + 576x^2

15625 = 625x^2

x^2 = 25

x = 5 (this is the multiplier for the ratio)

Therefore, the shorter side (which is 7x) is equal to 7*5 = 35.

Hope this helps~ :3

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