2017
Mathematics
JAMB
In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon
A.
8
B.
6
C.
4
D.
3
Correct Answer: 6
Explanation
2x + x = 180° 3x = 180° x = 60° (exterior angle of the polygon) angle = total angle/number of sides 60 = 360/n n = 360/60 n = 6 sides
2x + x = 180° 3x = 180° x = 60° (exterior angle of the polygon) angle = total angle/number of sides 60 = 360/n n = 360/60 n = 6 sidesTHIS WEEK's
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