Nonagon.
a pentagon.
You only know that all ten interior angles of a 10-sided figure add up to 1,440 degrees.IF the 10-sided figure happens to be REGULAR, then each of them is 144 degrees.
I would call it a 102-gon.
quadrilateral
1200 sided figure is chiliadihectagon
A 17 sided figure is a heptadecagon.
A 10 sided polygon is a decagon.
octogon
hexagon
icosikaihena
Nonagon
it is a Dodecagon
Nonagon.
a pentagon.
Not sure about "another" since there is no such thing as a dectagon. A 10 sided figure is a decagon.
A 10 sided figure