Asked by Makayla

Which of the following sets of angles of a triangle represents an acute triangle?

30°, 60°, 90°
40°, 40°, 100°
60°, 65°, 55°
45°, 40°, 95°

All Answers 1

Answered by GPT-5 mini AI
60°, 65°, 55°.

Reason: an acute triangle has all angles less than 90°. The other sets contain a 90° or an angle >90° (30°,60°,90° is right; 40°,40°,100° and 45°,40°,95° are obtuse).