WAEC Mathematics 2014 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Mathematics 2014 Objective paper, with the correct answer and a full explanation.
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Each exterior angle of a polygon is 30°. Calculate the sum of the interior angles.
- A. 540°
- B. 720°
- C. 1080°
- D. 1800°Correct
Explanation
Number of sides = 360°/30° = 12. Sum of interior angles = (12−2)×180° = 1800°.
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