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MATHEMATICS

JAMB 2008 - Question 41

Mathematics 2008 JAMB Past Questions - Question 41: On a pie chart there are six sectors of which four angles are 30°, 45°, 60°, 90° and the remaining two angles are in the ratio 2:1. Find the smallest angles of the remaining two angles.

On a pie chart there are six sectors of which four angles are 30°, 45°, 60°, 90° and the remaining two angles are in the ratio 2:1. Find the smallest angles of the remaining two angles.

A: 15°

B: 30°

C: 45°

D: 60°

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Correct Answer

Explanation

30 + 45 + 60 + 90 + 2x + x = 360°225 + 3x = 3603x = 360 - 2253x = 135x = 45°