Question

Based on the Triangle Angle Sum Theorem, the sum of the angles inside a triangle must equal 180°. Which set of angles could form a triangle?

Answer 1

1. 60°, 60°, 60°
2. 90°, 45°, 45°
3. 120°, 30°, 30°

All of these sets of angles add up to 180°, so they could form a triangle according to the Triangle Angle Sum Theorem.