Question 908818: A triangle has side with 5 m, 12 m, and 13 m is it a right triangle
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website! Yes it is since
a^2 + b^2 = c^2
5^2 + 12^2 = 13^2
25 + 144 = 169
169 = 169
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So if you have 3 sides, a,b,c, and they satisfy a^2 + b^2 = c^2 (c is the longest side), then you have a right triangle.
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