JAMB Mathematics 2017 Objective — Question 11
Question 11 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2017 Objective paper, with the correct answer and a full explanation.
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Find the number of sides of a regular polygon if the size of each interior angle is 150°.
- A. A. 9
- B. B. 12Correct
- C. C. 10
- D. D. 14
Explanation
Exterior angle = 180-150 = 30°; number of sides = 360/30 = 12.
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