SOLUTION: The exterior angle measure of a regular polygon is 20 degrees. How many sides does the polygon have?

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Question 275751: The exterior angle measure of a regular polygon is 20 degrees. How many sides does the polygon have?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The sum of exterior angles for ALL polygons is 360 degrees.
360/20 = 18 sides.