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Not enough information - you need three sides to define a triangle. Once you have the three sides, check whether the square of the longest side is equal to the sum of the squares of the other two sides, in other words, c2 = a2 + b2, where "c" is the longest side. If it is the same, it is a right triangle; otherwise it isn't.
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Earn +20 ptsQ: Is a triangle with sides of 81516 a right triangle?
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