One billion-sided polygon = GIGAGON
A 10-sided polygon is a decagon.
A pentagon and a quadrilateral, respectively.
The name of a 172 sided polygon is ChiliHeptacontakaidigon.
The name of a 10 sided polygon is Decagon.
A 42-sided polygon.
42
It is a 42 sided polygon and has: 0.5*(422-(3*42)) = 819 diagonals
11
One billion-sided polygon = GIGAGON
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
An 11 sided polygon is a hendecagon and a 12 sided polygon is a dodecagon
icosihenagon= 21-sided polygon icosihenagon= 21-sided polygon
The name of a 12 sided polygon is Dodecagon.
Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.
A 9999-sided polygon is known as a nonanonacontanonactanonaliagon. Unlike a 9999-sided polygon, a 10000-sided polygon has a much easier name; a myriagon.
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.