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Each interior angle of a regular polygon is 120^o larger than the exterior angle. Determine the number of sides the polygon has.

Answers

Let the exterior angle be x.

interior angle = x + 120^o

x + x + 120^o = 180

2x = 60^o; x = 30^o

the number of sides is

$\frac{360}{30}$ = 12 sides

johnmulu answered the question on June 12, 2017 at 05:10

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