x 2 = 9 2 + 4 0 2 x 2 = 81 + 1600 x 2 = 1681 x = 1681 x = 41 A n s w er : A
The value of c in the Pythagorean triple consisting of 9, 40, and c is 41. This can be derived using the Pythagorean theorem, yielding c = 41 . Therefore, the correct answer is A.
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