A two-dimensional polygon with 54 sides is called a Pentacontakaitetragon, or just a 54-gon. If you are talking in 3-D, the name all depends on how the hedron is fashioned (snub, truncated, stellated).
it is called a seven sided shape in Canada
A 90 sided shape is called Enneacontagon.
A 128-sided shape is called a hecatoicosioctagon.
An five sided shape is called a Pentagon
it is called a henagon is a one sided shape
Using standardized polygon names, a 54-sided polygon would be called a pentacontakaitetragon.
it is called a seven sided shape in Canada
The 22 sided shape is called a: ICOSIKAIDIGON
A 90 sided shape is called Enneacontagon.
Hommasquabblelagagon
A five-sided shape is called a pentagon.
A seven sided shape is called a heptagon.
a 4 sided shape is called a quadrilateral
A 128-sided shape is called a hecatoicosioctagon.
An five sided shape is called a Pentagon
A 10-sided shape is called a decagon.
It is called a megagon. A ∞ sided shape is called an apeirogon.