WAEC Mathematics 2023 Objective — Question 26
Question 26 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.
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The interior angle of a regular polygon is 6 times its exterior angle. Find the number of sides of the polygon.
- A. 12
- B. 14Correct
- C. 15
- D. 12
Explanation
Interior=6×Exterior, and Interior+Exterior=180°, so 6E+E=180° → E=180/7×... solving: exterior angle=180/7... using the standard relation, one exterior angle=180/(n-1)... per the worked solution, n=14 sides.
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