Each interior angle is 144 degrees.
It is 36k degrees where k is an integer.
Interior angles add up to 1440 degrees Each interior angle of a regular decagon measures 144 degrees
Each exterior angle of a regular polygon with n sides is 360/n degrees. So, for a decagon, it would be 360/10 = 36 degrees.
Each interior angle measures 144 degrees
Decagon is a geometry term that refers to a polygon that has 10 sides and 10 angles. The angles of a decagon measure 144 degrees.