octogon
An eight sided figure is an octagon.
An eight sided figure is called an octagon.
Yes, an eight-sided figure is called an octagon.
A six-sided plane figure is called a hexagon.
A six-sided plane figure is called a hexagon.
An 8-sided plane figure is an octagon.
A four-sided plane figure.
A plane figure with eight sides is an octagon.
An 8 sided figure is an octagon.
octagon
A nine sided plane figure is a nonagon. A nine sided three dimensional figure is a nonahedron.
Decagon.