Its interior angles are: (10-2)*180 = 1440 degrees
If its a regular 10 sided polygon then each interior angle is: 1440/10 = 144 degrees
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Each interior angle of a regular decagon is 144 degrees
A decagon is a polygon with 10 sides. By using the interior and exterior postulates, you can find the angle measures, which happen to be 144 and 36 degrees respectively.
well the total degrees in a decagon is 1440 therefore each interior angle in a regular decagon would measure 144 degrese
Sum of the interior angles of a decagon = 180*(10-2) = 180*8 = 1440 degrees. Since each interior angle of a regular polygon has the same measure, each angle of the decagon = 1440/10 = 144 degrees.
1980 degrees