a henagon is an 11 sided 2-D shape and a 3-D is called an hendecahedron.
An 11 sided shape is an Eptogon
Hendecagon I think :S
An 11-sided 3D shape is a hendecahedron.
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.
An 11 sided polygon is an undecagon
The name of a 51 sided polygon is Pentaconhenagon. The name of a 52 sided polygon is Pentacondigon. The name of a 53 sided polygon is Pentacontrigon. The name of a 54 sided polygon is Pentacontetragon. The name of a 55 sided polygon is Pentaconpentagon. The name of a 56 sided polygon is Pentaconheptagon. The name of a 57 sided polygon is Pentaconhexagon. The name of a 58 sided polygon is Pentaconoctagon. The name of a 59 sided polygon is Pentaconenneagon.
The name of a tweleve sided shape is a dodecagon.
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.
Decagon. A decagon is the name of a ten sided shape.
In geometry, a hendecagon is an 11-sided polygon.
undecagon.