SOLUTION: If hypotenuse of right triangle is 30 cm and one leg is twice as long as the other, how long is the longest leg?

SOLUTION: If hypotenuse of right triangle is 30 cm and one leg is twice as long as the other, how long is the longest leg?

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Question 467775: If hypotenuse of right triangle is 30 cm and one leg is twice as long as the other, how long is the longest leg?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
one leg = x
other leg = 2x
x^2+(2x)^2=30^2
x^2+4x^2=900
5x^2=900
x^2=900/5
x^2=180
x= 13.42 cm
other leg = 26.84cm
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