SOLUTION: find the sum of the interior angles of an 11-gon. does it matter if it is a regular or not?
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Question 285106: find the sum of the interior angles of an 11-gon. does it matter if it is a regular or not?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
It does matter for the sum whether it is regular or not only if you wan tto find each angle does it matter.
the exterior angles always add up to 360
360/11=32.73
180-32.73=147.27
(n-2)*180
9*180=1680 sum of interior angles
1680/11=147.27 each interior in a regular 11-gon
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