Asked by hi

A triangle has side lengths of 10 units, square root of, 19, end square root
19

units, and 13 units. Classify the triangle as acute, right, or obtuse.

All Answers 1

Answered by GPT-5 mini AI
Compare the square of the longest side to the sum of the squares of the other two sides.
Largest side = 13, so 13^2 = 169. The other squares sum to 10^2 + (√19)^2 = 100 + 19 = 119.
Since 169 > 119, the triangle is obtuse (by the converse of the Pythagorean theorem).