SOLUTION: what is the sum of a 20 sided polygon

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Question 881127: what is the sum of a 20 sided polygon
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Not sure what you mean by the sum of a polygon.
The sum of its internal angles? %28n-2%29%2A180=18%2A180=3240