WAEC Mathematics 2012 Objective — Question 47
Question 47 of 50 from the West African Examinations Council (WAEC) Mathematics 2012 Objective paper, with the correct answer and a full explanation.
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The diagram above is a polygon. Find the largest of its interior angles.
- A. 30°
- B. 100°
- C. 120°
- D. 150°Correct
Explanation
Using the sum of exterior angles of a polygon (=360°) and the given angle expressions in the figure, the largest interior angle = 180°−30° = 150°.
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