Decagon is 10 sided figure. Internal angles of 10 sided figure is (2 x 10 - 4) right angles = 16 x 90 degrees, hence one angle is (16 x 90)/10 = 16 x 9 = 144 degrees
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well the total degrees in a decagon is 1440 therefore each interior angle in a regular decagon would measure 144 degrese
Each interior angle of a regular decagon is 144 degrees
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.
If it's a regular 10 sided decagon then each interior angle is 144 degrees which gives it a total sum of 1440 degrees
Each interior angle measures 144 degrees