SOLUTION: Each interior angle of a regular polygon is 160 degree. How many sides does it have?

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Question 694513: Each interior angle of a regular polygon is 160 degree. How many sides does it have?
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Each interior angle of a regular polygon is 160 degree. How many sides does it have?
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Ext angles = 20 degs
# of sides = 360/20 = 18

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