Question 1060845: For an equiangular n-gon, each interior angle can be found using the formula
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! For an equiangular n-gon, each interior angle can be found using the formula
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With n sides, the sum of the interior angles = 180*(n-2) degrees.
Each angle = 180*(n-2)/n degrees.
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It's easier to find the exterior angles first, then subtract from 180 to find the interiors.
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The sum of the exterior angles is 360 for all polygons.
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Ext = 360/n
Int = 180 - Ext
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eg for 12 sides:
Ext = 360/12 = 30 degs
Int = 180 - 30 = 150 degs
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