which set represents a Pythagorean triple? A 27, 38, 42 be 33, 44, 55C 35, 38, 42D 68, 72, 81.

The Pythagorean triple is a sequence of three positive integers that satisfies the Pythagorean theorem; the first two represent the opposite and adjacent sides of a right triangle, and the third represents the hypotenuse.

a² + b² = c²

33 , 44 , 55

33² + 44² = 55²

1089 + 1936 = 3025

again?

well, check 'em out.
does 27^2+38^2=42^2? No.
When you find the right one, remember it -- you may run into it again, just like the 3-4-5 triangle.