SOLUTION: How tell whether the given side lengths form a right triangle? 3,4,5

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Question 574016: How tell whether the given side lengths form a right triangle?
3,4,5
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
How tell whether the given side lengths form a right triangle?
3,4,5
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3, 4, 5 is a right triangle. Everyone knows that.
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If the square of the longest side = the sum of the squares of the other 2 sides, it's a right triangle.
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5%5E2+=+3%5E2+%2B+4%5E2
13%5E2+=+5%5E2+%2B+12%5E2