2008
Mathematics
67ca00ce0c643c71d77dee1f
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°
Correct Answer: 45°
Explanation
30 + 45 + 60 + 90 + 2x + x = 360° 225 + 3x = 360 3x = 360 - 225 3x = 135 x = 45°
30 + 45 + 60 + 90 + 2x + x = 360° 225 + 3x = 360 3x = 360 - 225 3x = 135 x = 45°THIS WEEK's
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