Question

Which set of measurements forms a right triangle? Use the Pythagorean theorem: a2 + b2 = c2.
A: 5, 12, 14
B: 5, 11, 13
C: 4, 11, 13
D: 5, 12, 13

Answer 1

D: 5, 12, 13

A 5-12-13 is one of the most recognized right triangles.

5^2 + 12^2 = 13^2

25 + 144 = 169

169 = 169