The full name of a 13-sided polygon is a triskaidecagon. However, with polygons of such size, it's common practice to call them n-gons, so in this case the shape would be called a 13-gon.
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.
A 13 sided polygon is called a tridecagon or a triskaidecagon. The name comes from the Greek words for thirteen.
The name of a tweleve sided shape is a dodecagon.
Decagon. A decagon is the name of a ten sided shape.
A 10-sided shape is a decagon.
icosikaidigon is a 22 sided shape
A Pentacontagon is a fifty sided shape ...
A hexahedron is the name for a 6 sided 3D shape.
A 14 sided shape is called a Tetradecagon.
a twelve sided shape is called a dodecagon.
A million sided shape is called a Megagon.
hundred sided shape is called a chlligon