Well, well, well, aren't you curious! A 145-sided polygon is called a "hectacontakaipentagon." Yes, you heard me right, hectacontakaipentagon. Now go impress your friends with that little nugget of information.
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
The name of a 12 sided polygon is Dodecagon.
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.
The name of a 17 sided polygon is Heptadecagon.
The name of a 14 sided polygon is Tetradecagon.