SOLUTION: Each interior angle of a regular polygon is 160. How many sides has it?

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Question 966427: Each interior angle of a regular polygon is 160. How many sides has it?
Found 2 solutions by ess1112, Alan3354:
Answer by ess1112(1) About Me  (Show Source):
You can put this solution on YOUR website!
The regular polygon has 18 sides.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Each interior angle of a regular polygon is 160. How many sides has it?
--> Ext angles = 20 degs
360/20 = 18 sides