SOLUTION: What is the unknown length of the right triangle, side a=12, b=unknown,c=4

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Question 317176: What is the unknown length of the right triangle, side a=12, b=unknown,c=4
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
If a is the hypotenuse, then
a%5E2=b%5E2%2Bc%5E2
144=b%5E2%2B16
b%5E2=128
highlight%28+b=8%2Asqrt%282%29%29
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If b is the hypotenuse, then
b%5E2=a%5E2%2Bc%5E2
b%5E2=144%2B16
b%5E2=160
highlight%28b=4%2Asqrt%2810%29%29