90 x (2 x 15 - 4) ie 90 x 26 = 2340o. The sum of the interior angles of an n-sided polygon always is 90 x (2n - 4) degrees
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It is a regular 8 sided octagon
The formula for determining the measurement of the interior angle of a general polygon with n sides is: 180°(n - 2)/n Given the 6-sided polygon, let n = 6. Then, by using the form above, we obtain: 180°(6 - 2)/6 = 30° * 4 = 120° Therefore, 120° is the measurement of the interior angle of a 6-sided regular polygon.
The interior angle of a 13 sided polygon can have any value between 0 and 360 degrees.
A 29-sided polygon.
Each interior angle of a regular 24 sided polygon is 165 degrees