JAMB Mathematics 2009 Objective — Question 25
Question 25 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2009 Objective paper, with the correct answer and a full explanation.
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A regular polygon has 150 as the size of each interior angle. How many sides does it have?
- A. 12Correct
- B. 10
- C. 9
- D. 8
Explanation
Exterior angle = 180-150=30. n = 360/Exterior angle = 360/30 = 12 sides.
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