It depends on whether you want your readers to know what you are talking about or would rather be pretentious.
I would say 97-gon.
a 4 sided shape is called a quadrilateral
== == A 56 sided shape is called a Pentacontakaihexagon.
A 600-sided shape is a hexcosiagon.
A twelve sided shape is a dodecagon.
A five sided 3d shape is called a pentehedron
The name of a 97 sided polygon is enneaheptagon.
it is called a seven sided shape in Canada
A one-sided shape is called a "monogon," which is a theoretical concept representing a shape with one side and one vertex. A two-sided shape is called a "digon," which is also a theoretical concept representing a shape with two sides and two vertices. In geometry, these shapes are considered degenerate cases and do not exist in the physical world.
A 10-sided shape is called a decagon.
An five sided shape is called a Pentagon
a 69 sided shape is called a sexagon
A 90 sided shape is called Enneacontagon.
A 35 sided shape is called a triacontakaipentagon
Hommasquabblelagagon
The 22 sided shape is called a: ICOSIKAIDIGON
A five-sided shape is called a pentagon.
A 128-sided shape is called a hecatoicosioctagon.