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Geometry 13 Online
OpenStudy (anonymous):

how many sides does a regular polygon have if each exterior angle measures 20 degrees?

OpenStudy (anonymous):

The sum of the exterior angles of any polygon is 360 degrees. If each angle is 20 degrees, there must be 360/20 = 18 such angles. 18 angles means 18 sides so it is an 18-sided polygon

OpenStudy (anonymous):

thanjks!

OpenStudy (anonymous):

*thanks

OpenStudy (anonymous):

No probs @alicekennedy96

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