9
how many triangles are in a eight sided figure
It is a 9 sided figure
Well it has 9 sides and it is a figure.
A nine sided plane figure is a nonagon. A nine sided three dimensional figure is a nonahedron.
Nonagon.
if you mean diagonals i don't know maybe 9
I think it is a nonagon.
A Nonogon.
Yes, It's Nonagon
9
There are two different names commonly used for a 9 sided figure: a nonagon or, an enneagon.