SOLUTION: how many sides does a regular polygon have if it has exterior angles of 20 degrees

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Question 4119: how many sides does a regular polygon have if it has exterior angles of 20 degrees
Answer by khwang(438) About Me  (Show Source):
You can put this solution on YOUR website!
For any n polygons, the sum of all n exterior angles is always 360 deg.
If this is an n regular polygons, then n * 20 = 360.
So, n = 18.

Kenny