Which set of numbers represents a pythagorean triple?

A. 6,9,12
B. 7,10,12
C. 16,18,25
D. 27,36,45
Is the answer A?

a^2 + b^2 = c^2

36 + 81 ≠ 144

No.

http://www.mathsisfun.com/pythagorean_triples.html

27^2 + 36^2 = ?

2025

What is the square root of 2025?

45 So is the answer D?

Yes, D is the correct answer.