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Need help with a geometry question!?
The length of a leg of a right triangle is two times the length of the other, and the hypotenuse is 25. What is the length of the longer leg?
I have no idea how to get the answer! Please Help!!!
1 Answer
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- hayharbrLv 79 years agoFavorite Answer
x = length of short leg
2x = length of long leg
By Pythagorean, x^2 + (2x)^2 = 25^2
x^2 + 4x^2 = 625
5x^2 = 625
x^2 = 625 ÷ 5 = 125
so x = √125
One leg is √125 and the other is 2√125
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