Question

Which of the following are the measurements of the sides of a right triangle?

a. 7, 14, 16
b. 6.2, 13.8, 20
c. 10, 11, 13
d. 9, 12, 15

Answer 1

Only d. will fit into the Pythagorean theorem

a² + b² = c²
9² + 12² = 15²
81 + 144 = 225
225=225 (check)