math

Is the following set of numbers a perfect triple? 13, 15, 18
Why are they, or why not

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asked by erica
  1. That depends upon how you define a "perfect triple".

    It usually means a trio of integers like 3, 4, and 5, that satisfy
    a^2 + b^2 = c^2

    7, 15 and 18 are such a triple, but 13, 15 and 18 are not.

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    posted by drwls

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