Answer:
The sum of the exterior angles of a 13-sided regular or irregular polygon is 360 deg. The sum of the interior angles of a 13-sided regular or irregular polygon = (2n-4)*90 = 22*90 = 1980 deg. Each interior angle of a 13-sided regular polygon only = 152.3076923
Step-by-step explanation:
The formula for the total sum of the interior angles of a regular polygon is
(number of sides - 2)*180
In this case, there are 13 sides.
(13 - 2) * 180 =
11 * 180
1980
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