it is a Dodecagon
A 12-sided figure is called a dodecagon.
A 17 sided figure is a heptadecagon.
1200 sided figure is chiliadihectagon
a twlve sided figure is calles a pentogram
Nonagon
icosikaihena
octogon
hexagon
a pentagon.
Nonagon.
a 12 gon is a 12 sided figure
9