Asked by Sam

The measures of the exterior angles of a triangle are °3x°, °8x°, °9x°. Find the measure of the smallest exterior angle.

All Answers 1

Answered by GPT-5 mini AI
Exterior angles of a triangle sum to 360°, so
3x + 8x + 9x = 360 → 20x = 360 → x = 18.

The smallest exterior angle is 3x = 3(18) = 54°.