A 17 sided figure is a heptadecagon.
heptagon * * * * * No. That is a 7 sided figure. A 17 sided figure is a heptadecagon.
1200 sided figure is chiliadihectagon
Heptakaidecagon
Nonagon
it is a Dodecagon
icosikaihena
octogon
hexagon
a pentagon.
Nonagon.
I would call it a 102-gon.
octogon an octagon