Question

Which set of measurements forms a right triangle? Use the Pythagorean theorem: a2 + b2 = c2.

A) 10, 12, 15

B) 10, 13, 15

C) 9, 12, 15

D) 9, 11, 15

Answer 1

`C) \: \: 9, 12, 15`

Explanation:

`9 {}^(2) + 12 {}^(2) = 15 {}^(2) \\ 81 + 144 = 225`