A decagon is a 10 sided polygon Exterior angles add up to 360 degrees Interior angles add up to 1440 degrees It has 35 diagonal A decagon can have a regular or an irregular shape
A regular decagon has 10 equal sides.
A decagon has 35 diagonals
A decagon is a 10 sided polygon
10
10
A regular decagon would have five sets or parallel lines.
Each interior angle of a regular decagon would measure 144 degrees,
10
Ten.
10
35