The answer is 7pi radians, or 7*180° = 1260°
(N-2)pi radians, or (N-2)*180°
N is the number of sides on the polygon; Sum of interior angles formula
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The equation for the total interior angles of a polygon is (n-2)x180. In this case, the shape has 56 sides. Thus, to work out the total interior angles of the shape you do: (56-2)x180 =54x180 =9,720. Therefore the total interior angles for a 56 sided shape is 9,720.
If you're talking a plane ie 2-dimensional figure, then like ALL four sided shapes, the interior angles total 360 degrees.
1440 degrees. The total exterior angles of a polygon is always 360 deg. Each interior angle plus its corresponding exterior angle is 180 deg. The sum of all interior plus all interior for a decagon must therefore be 1800 deg. Hence sum of interior angles is: 1800-360=1440 deg.
A hexagon has 6 angles, with a total of 720 degrees.
It has 18 interior angles.