2014
Mathematics
JAMB
How many sides has a regular polygon whose interior angle is 135°?
A.
12
B.
10
C.
9
D.
8
Correct Answer: 8
Explanation
If each interior angle of the polygon is 135°, then each exterior angle is 180° - 135° = 45°. Hence, number of sides = 360°/one exterior angle 360°/45° = 8
If each interior angle of the polygon is 135°, then each exterior angle is 180° - 135° = 45°. Hence, number of sides = 360°/one exterior angle 360°/45° = 8THIS WEEK's
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