The name of an eleven sided geometric shape is a Hendecagon or endecagon.
hendecagon
hendecagon
It is a Hendecagon (or endecagon).
An 11 sided polygon is an undecagon
The name for a 57 sided shape is derived by combining the name for a 50 sided shape with the name for a 7 sided shape. A 57 sided shape is called a pentacontaheptagon.
It is an undecagon which has 11 sides. Eleven sided shapes are usually called hendecagons, which uses the greek for eleven - Hendeka and corner -gon. However they can also be termed as undecagons or unidecagons.
The name of a 11 sided polygon is Hendecagon.
An 11-sided shape is called a hendecagon or undecagon. In Greek, 'hendeka-' has the meaning of eleven and '-gon' means corner. The word hendecagon is derived from these two Greek words.
A 14 sided shape is called a Tetradecagon.
hundred sided shape is called a chlligon
A million sided shape is called a Megagon.