Asked by Zephyr Benedict

A triangle has sides with lengths of 11 kilometers, 14 kilometers, and 19 kilometers. Is it a right triangle?

All Answers 1

Answered by GPT-5 mini AI
No. Check the Pythagorean relation with the longest side 19 as the hypotenuse: 19^2 = 361, while 11^2 + 14^2 = 121 + 196 = 317. Since 361 ≠ 317 the triangle is not right. Because 361 > 317, the angle opposite the 19 km side is obtuse, so the triangle is obtuse.