SOLUTION: what is the number of sides of a polygon if the sum of all the interior angles equal 3780 degrees

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Question 525428: what is the number of sides of a polygon if the sum of all the interior angles equal 3780 degrees
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
For a polygon the sum of the interior angles = (n-2)*180
.
(n-2)*180 = 3780
180n -360 = 3780
180n = 3420
n = 19
.
Done.