The formal name is tricontakaidigon. Most people, including mathematicians, will use 32-gon since that effectively communicates the size of the polygon. But, if you want to appear pretentious or be obfuscatory, by all means use the Greek prefices.
name of 4000 sided polygon
The name of a 200 sided polygon is dihectagon.
The name of a 600 sided polygon is Hexcosiagon.
The name of a sided polygon is Octaconpentagon.
hexahectaheptacontakaidigon is the name of a 672 sided polygon
A polygon with 32 sides is known as a triacontakaidigon.
The name of a 12 sided polygon is Dodecagon.
A 32-sided shape is called a "triacontadigon." It is a polygon with 32 sides and 32 angles. The name is derived from the Greek prefixes "triaconta-" for thirty and "-gon" for angle or side.
A 8 sided polygon is called a octagon.
name of 4000 sided polygon
The name of a 18 sided polygon is Octadecagon.
The name of a 99 sided polygon is enneacontaenneagon.
The name of a 8 sided polygon is Octagon.
The name of a 19 sided polygon is enneadecagon.
The name of a 15 sided polygon is Pentadecagon.
The name of a 7 sided polygon is Heptagon.
The name of a 9 sided polygon is Nonagon.