Question 431612: If the hypotenuse of a right triangle is 8 feet less than 3 times shorter leg and the longer leg is 8 feet more than 2 times the shorter leg, what is the length of all three sides?
The answer is one of these:
a) 15ft, 36ft, 39ft
b) 18ft, 44ft, 46ft
c) 20ft, 48ft, 52ft
d) 30ft, 68ft, 82ft
Answer by scott8148(6628)   (Show Source):
You can put this solution on YOUR website! by Pythagoras ___ x^2 + (2x+8)^2 = (3x-8)^2
x^2 + 4x^2 + 32x + 64 = 9x^2 - 48x + 64
0 = 4x^2 - 80x
0 = x^2 - 20x
0 = x(x - 20)
x = 0
x - 20 = 0 ___ x = 20
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