A 360 sided polygon is known as a Trictohexacontagon. Tricto=300 Hexaconta=60
"n-gon"
I find the name "30-sided polygon", "40-sided polygon", etc. just fine.
name of 4000 sided polygon
The name of a 200 sided polygon is dihectagon.
A 60 sided polygon is a Hexacontagon.
A 360 sided polygon is known as a Trictohexacontagon. Tricto=300 Hexaconta=60
The name of a 51 sided polygon is Pentaconhenagon. The name of a 52 sided polygon is Pentacondigon. The name of a 53 sided polygon is Pentacontrigon. The name of a 54 sided polygon is Pentacontetragon. The name of a 55 sided polygon is Pentaconpentagon. The name of a 56 sided polygon is Pentaconheptagon. The name of a 57 sided polygon is Pentaconhexagon. The name of a 58 sided polygon is Pentaconoctagon. The name of a 59 sided polygon is Pentaconenneagon.
"n-gon"
The name of a 12 sided polygon is Dodecagon.
I find the name "30-sided polygon", "40-sided polygon", etc. just fine.
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.