SOLUTION: if the sum of the measures of the interior angles of a polygon is 1980 degrees, how many sides does it have? How do I do this? Is there a formula? HELP, THANKS

SOLUTION: if the sum of the measures of the interior angles of a polygon is 1980 degrees, how many sides does it have? How do I do this? Is there a formula? HELP, THANKS

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Question 1015374: if the sum of the measures of the interior angles of a polygon is 1980 degrees, how many sides does it have?
How do I do this? Is there a formula? HELP, THANKS
Answer by Edwin McCravy(20054) (Show Source): You can put this solution on YOUR website!

Yes, there is a formula:





You finish.  Solve that for n

Edwin

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