A one sided shape
Any of these shapes is practically circular. A 20-sided shape is an icosagon. a 50-sided shape is a pentacontagon (aka pentecontagon). A 100-sided shape is a hectogon (aka hecatontagon). A 1000-sided shape is a chiliagon.
It's probably a circle, because some people view it as a 0 sided figure, but some people view it as a 1 sided figure.
a six sided shape is a hexagon
A twelve sided shape is a dodecagon.
There is no such thing as a 1 sided shape nor a two sided shape.
a one sided shape is called a henagon and a 2 sided shape is called a digon
a 2 sided shape is real but a 1 sided shape is not
Tetringon
Hipintigon
Killigon
a circle
A line.
Dekingon
Pintigon
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 one sided shape