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Gala2k [10]
3 years ago
9

Find the length of the shorter leg of a right triangle if the longer leg is 7 feet more than the shorter leg and the hypotenuse

is 7 feet less than twice the shorter leg.
Mathematics
1 answer:
gtnhenbr [62]3 years ago
6 0
You can use the pythagorean theorem.
a^{2} + b^{2} = c^{2}
Now lets write out what we know.

Shorter leg = x
Longer Leg = x + 7
Hypotenuse = x - 7

a^{2} + b^{2} = c^{2}
Now solve for x
x^{2} + (x+7)^{2} = (2x-7)^{2}
x = 28
Since you know x = 28, which is the shorter leg, you can solve for the rest by just plugging in 28 where x is located. For instance, longer let is x + 7 so 
28 + 7 = 35





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