WAEC Mathematics 2022 Objective — Question 20
Question 20 of 50 from the West African Examinations Council (WAEC) Mathematics 2022 Objective paper, with the correct answer and a full explanation.
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An exterior angle of a regular polygon is 22.5°. Find the number of sides.
- A. 13
- B. 14
- C. 15
- D. 16Correct
Explanation
Number of sides = 360°/exterior angle = 360/22.5 = 16.
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