Question 36
Angles and PolygonsEach of the interior angles of a regular polygon is 140°. How many sides has the polygon?
- A.9
- B.8
- C.7
- D.5
Show the answer and explanation
Answer: A (9)
Explanation
Each exterior angle is 180° − 140° = 40°. The exterior angles add up to 360°, so there are 360 ÷ 40 = 9 sides.