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Identify which is NOT a Pythagorean triple.

A) 2, 6, 18
B) 3, 4, 5
C) 5, 12, 13
D) 7, 24, 25

User Dabbler
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1 Answer

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If three numbers a, b, and c are a Pythagorean triple, then a^2 + b^2 = c^2


A is not a Pythagorean triple. (Why?)
User Gopi Reddy
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