Decagon(10 sides polygon).
A decagon
A decagon.
A decagon
It is a decagon.
The decagon is a 10-sided polygon.
A polygon with 10 sides is called a decagon.
A regular decagon
Decagon.
A polygon with 10 sides and 10 angles is called a decagon.
A 69-agon any polygon with more than 10 sides has however many sides + agon i think...
A polygon has as many angles as sides, so a polygon with 10 sides (decagon) would have 10 angles.