A 10-sided shape is a decagon.
A two dimensional 10 sided shape is a decagon.
A decahedron is a 10-sided shape.
A 10 sided polygon is called a decagon (deca meaning 10).
A 10 sided polygon is called a decagon.
A Decagon has 10 sides.
The decagon is a 10-sided polygon.
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.