Each interior angle of a regular polygon is 108... - WAEC Mathematics 2004 Question
Each interior angle of a regular polygon is 108°. How many sides has it?
A
5
B
7
C
9
D
14
correct option: a
The exterior angle of the polygon = 180 – 108 = 72°. The sum of exterior angle of the regular polygon = 360°
The number of sides \(=\frac{360}{72}=5\)
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