It's called a monogon.
2 sided shape is digon like semi=circle.
Alright this is getting chaos.
There is no such thing as a 1 sided shape nor a two sided shape.
a 2 sided shape is real but a 1 sided shape is not
The 22 sided shape is called a: ICOSIKAIDIGON
Hommasquabblelagagon
A five-sided shape is called a pentagon.
There is no such thing as a 1 sided shape nor a two sided shape.
a 2 sided shape is real but a 1 sided shape is not
it is called a seven sided shape in Canada
The 22 sided shape is called a: ICOSIKAIDIGON
Hommasquabblelagagon
A 90 sided shape is called Enneacontagon.
A five-sided shape is called a pentagon.
a 4 sided shape is called a quadrilateral
A seven sided shape is called a heptagon.
A 128-sided shape is called a hecatoicosioctagon.
An five sided shape is called a Pentagon
A 10-sided shape is called a decagon.