Each of the interior angles of a regular polygon is 140°. How many sides has
MATHEMATICS
JAMB 2021
Each of the interior angles of a regular polygon is 140°. How many sides has the polygon?
- A. 9
- B. 8
- C. 7
- D. 5
Correct Answer: A. 9
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Formular for sides of an interior angle:-
N=360/180- Each interior angles
Each interior angle here = 140