SOLUTION: if the interior anhle is 140 degrees then how many sides do we have in this polygon?
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Question 310991: if the interior anhle is 140 degrees then how many sides do we have in this polygon?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The exterior angle is 40 (180 - 140).
The sum of exterior angles for ALL polygons is 360.
360/40 = 9 sides
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