Each of the interior angles of a regular polygon is 140°. Calculate the sum of
MATHEMATICS
JAMB 2019
Each of the interior angles of a regular polygon is 140°. Calculate the sum of all the interior angles of the polygon.
- A. 1080°
- B. 1260°
- C. 2160°
- D. 1800°
Correct Answer: B. 1260°
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