SOLUTION: Given that each interior angle of a regular polygon is 162¤ , then the number of sides of this polygon is?

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Question 971812: Given that each interior angle of a regular polygon is 162¤ , then the number of sides of this polygon is?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Given that each interior angle of a regular polygon is 162¤ , then the number of sides of this polygon is?
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Ext angles = 180-162 = 18 degs
360/18 = 20 sides