which set of numbers represents a pythagorean triple

A six, nine, 12 be seven, 10, 12 C 16, 18, 25D 27, 36, 45

well, check 'em out.

does 6^2+9^2 = 12^2?
nope 36+81≠144
When you find the right one, remember it -- you may run into it again, just like the 3-4-5 triangle.