SOLUTION: Work out the exterior and interior angles of a regular polygon with 18 sides

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Question 1073120: Work out the exterior and interior angles of a regular polygon with 18 sides
Answer by Alan3354(69443) About Me  (Show Source):
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Work out the exterior and interior angles of a regular polygon with 18 sides
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The sum of the Ext angles is 360 degs for all polygons.
360/18 = 20 degs each
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Int angles = 180 - 20 = 160 degs each.
18*160 = 2880