SOLUTION: Help The Question is : Work out the size of each exterior angle of a regular 20 sided polygon? Many thanks :)

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Question 834662: Help
The Question is :
Work out the size of each exterior angle of a regular 20 sided polygon?
Many thanks :)
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
The sum of the measures of the exterior angles of any
polygon is 360°.  Since the 20-sided polygon is a regular 
polygon, all 20 exterior angles have the same measure,
so each is  or 18° each.  The green lines
below form one exterior angle of the 20-sided polygon.
It's interesting that each exterior angle is congruent to
every central angle.  As you see below, each central angle 
also has measure 18°.


Edwin
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