Question 1133816: solve a regular polygon of (2x+1) sides has 140 as the size of each interior angle, find x. Found 2 solutions by Alan3354, Theo:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! solve a regular polygon of (2x+1) sides has 140 as the size of each interior angle, find x.
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Ext angles = 40 degs
360/40 = 9 sides