SOLUTION: Determine whether the given lengths can be sides of a right triangle: 9FT,15FT,12FT.Yes or No

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Question 937374: Determine whether the given lengths can be sides of a right triangle: 9FT,15FT,12FT.Yes or No
Found 2 solutions by lwsshak3, MathLover1:
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Determine whether the given lengths can be sides of a right triangle: 9FT,15FT,12FT.Yes or No
yes, its a 3-4-5 right triangle

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

a=9ft
b=12ft
c=15ft
if c%5E2=a%5E2%2Bb%5E2 then we have a right triangle
%2815ft%29%5E2=%289ft%29%5E2%2B%2812ft%29%5E2
225ft%5E2=81ft%5E2%2B144ft%5E2
225ft%5E2=225ft%5E2
so, answer is: Yes
the given lengths are sides of a right triangle