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The exterior angle measure of a regular polygon is 20 degrees. How many sides does the polygon have? 9 16 18 20

The exterior angle measure of a regular polygon is 20 degrees. How many sides does the polygon have? 9 16 18 20
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The exterior angle measure of a regular polygon is 20 degrees. How many sides does the polygon have? 9 16 18 20

User Brian Sullivan
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If the exterior angle measures 20 degrees then the sum of all the angles must add up to 360 so 360 divided by 20 equals 18 which is 18 sides
User Mike Minaev
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The polygon would have 18 sides. Hope this helps!
User Deandra
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