Question

Which of the following is not a Pythagorean triple?

A. (6, 8, 10)
B. (9, 12, 15)
C. (7, 24, 25)
D. (4, 5, 6)​

Answer 1

D. 4, 5, 6, then

H² = P² + B²

6² = 5² + 4²

36 = 25 + 16

36 ≠ 41

This is not Pythagorean triple.