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Which set of integers is not a Pythagorean triple?

A.
9, 40, 41


B.
11, 60, 61


C.
15, 18, 21


D.
20, 21, 29

User Hdoghmen
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1 Answer

3 votes
the answer is c
a pythagorean tripple refers to a set of numbers that fits the equation a^2 + b^2 = c^2
we know that c must be the biggest number and it doesnt matter which of the other ones is a or b
therefore we substitute the options into the equation and tge one that doesnt work is c 15, 18, 21
User Jgrowl
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