The most famous is a stop sign.
bread
An octagon is a shape that has eight sides.
Octagon
a shape
Common ones are polygons, such as squares, rectangles, octagon etc. Any shape restricted to the xy plane is a 2d shape.
Octagons?
No, but an octagon is.
An 8 sided shape is an octagon
an octagon is it's own shape with 8 sides
An octagon can be an irregular shape, but a regular octagon has all sides and angles equal.
It is called an octagon and an irregular octagon can take any shape.
octagon
An octagon is an 8 sided shape.
An octagon
Eight sided shape is called octagon.
The shape with 8 corners is called an octagon.
HUT