Question

10. The measure of an interior angle of a regular polygon is 120°. How many sides does the polygon have?

A. 5 B. 6 C. 3 D 4o​

Answer 1

Answer: 6 sides

Explanation: If in a regular polygon, each interior angle = 120 deg, then each exterior angle = 180–120 = 60 deg. So the polygon has 360 deg/60 deg = 6 sides.

Answer 2

Polygon has 3 sides