Yes
4
No, but an octagon is.
An octagon can be an irregular shape, but a regular octagon has all sides and angles equal.
an octagon is it's own shape with 8 sides
Yes
Well, darling, a hexagon and an octagon are both polygons. They both have straight sides and angles. The only real difference is that a hexagon has six sides while an octagon has eight sides. So, in a nutshell, they're both just a bunch of straight lines showing off their angles.
4
No, but an octagon is.
Octagon
An 8 sided shape is an octagon
An octagon can be an irregular shape, but a regular octagon has all sides and angles equal.
an octagon is it's own shape with 8 sides
It is called an octagon and an irregular octagon can take any shape.
An octagon is an 8 sided shape.
octagon
An octagon