Each exterior angle of a certain regular polygon measures 30°. How many sides does the polygon have?

Mathematics
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Each exterior angle of a certain regular polygon measures 30°. How many sides does the polygon have?

May 9th, 2015

The sum of the exterior angles of any polygon is 360°

A = 360/s

where A = measure of exterior angle,

s = number of sides

A = 360/s

30 = 360/s

30s = 360

s = 12

So the polygon has 12 sides.


May 9th, 2015

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