In geometry, a decagon (from the Greek δέκα déka and γωνία gonía, "ten angles") is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440°.

Is there a 11 sided polygon?

In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (The name hendecagon, from Greek hendeka "eleven" and –gon "corner", is often preferred to the hybrid undecagon, whose first part is formed from Latin undecim "eleven".)

What is a Tensided polygon?

Answer: A 10 sided polygon is called a decagon.

The Greek word 'Polygon' consists of poly meaning 'many' and gon meaning 'angle. ' Explanation: A decagon is a ten-sided polygon with ten vertices and ten angles.