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Mathematics 11 Online
OpenStudy (anonymous):

The numbers 20, 21, 29 form a Pythagorean triple. Which other set of numbers is a Pythagorean triple? a) 21, 22, 30 b) 40, 42, 58 c) 60, 66, 87 d) 70, 84, 116

hero (hero):

Hint: Multiply 20,21,29 by 2

OpenStudy (anonymous):

why 20, 21 and 29?

OpenStudy (anonymous):

B ? (:

hero (hero):

Because we already know it is a Pythagorean Triple. It tells us that it is.

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