Question

A2 + b2 = c2 If a = 12 and c = 15, find the value of b using the Pythagorean theorem.   b = 399 b = 19.97 b = 81 b = 9

Answer 1

The answer and value of b would be 9. Square the value of c (15, its square is 225), then subtract that by the square of 12 (144) to get 81.  Square root 81 to get 9.

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