Most mathematicians would cal that a 37-gon. It can also be a tricontakaiheptagon.
My personal preference is to call such a shape a "37-sided polygon", rather than inventing (or looking up) lots of fancy names for each individual case.
It's called a tricontakaiheptagon
tricontakaiheptagon
it is called a seven sided shape in Canada
a one sided shape is called a henagon and a 2 sided shape is called a digon
A 10-sided shape is called a decagon.
An five sided shape is called a Pentagon
A 150 sided shape is called heptaconta.
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.
a 69 sided shape is called a sexagon