The name that is given to an 8 sided figure is a octogan.
an octagon
octagon
octahedron
octagon
It is a regular 8 sided octagon.
Normally, 'Octagon' octagon
Eight sided figures: Octagon, regular polygon (8 sided)
Nothing need be given to an 8 sided figure!
A 8 sided polygon is called a octagon.
The name of a 8 sided polygon is Octagon.
Something that is 8-sided is usually referred to as a octogon.