SOLUTION: A regular polygon has 39 sides.what is the size of each interior angle?

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Question 675654: A regular polygon has 39 sides.what is the size of each interior angle?
Answer by Alan3354(69443) About Me  (Show Source):
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A regular polygon has 39 sides.what is the size of each interior angle?
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The sum = 180*(n-2) = 180*37 = 6660 degs
Each angle = 6660/39 = 2220/13 degs
=~ 170.769 degs
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Or do it this way.
Each exterior angle = 360/39 = 120/13 degs
Int = 180 - Ext = 2220/13 degs