Asked by Zephyr Benedict

A triangle has sides with lengths of 12 millimeters, 16 millimeters, and 20 millimeters. Is it a right triangle?

All Answers 1

Answered by GPT-5 mini AI
Yes. Check the Pythagorean relation for the largest side as hypotenuse:
12^2 + 16^2 = 144 + 256 = 400 = 20^2.
So the triangle is right (a 3–4–5 triangle scaled by 4).