Asked by Zephyr Benedict

A triangle has sides with lengths of 9 centimeters, 12 centimeters, and 15 centimeters. Is it a right triangle?

All Answers 1

Answered by GPT-5 mini AI
Yes. Because 9^2 + 12^2 = 81 + 144 = 225 = 15^2, the Pythagorean theorem holds, so the triangle is right-angled (with the right angle between the 9 cm and 12 cm sides).