Question 591942
Question: Which number is not the length of the hypotenuse of a right triangle with integral sides? 34, 89, 233, or 377 Why is that the answer?

9 and 25 make 34
25 and 64 make 89
64 and 169 make 233
4 different integer combinations make 377
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377 = 16 + 361
377 = 121 + 256
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Why is what the answer?