An octagon. Or more specifically, an irregular octagon.
A regular octagon will not tessellate but an irregular one can.
A regular octagon will not tessellate but an irregular one can.
An octagon is a two-dimensional polygon with eight sides which can be regular or irregular
An octagon can be used to create a tessellation, but an octagon cannot tessellate on its own.
Simply that: "irregular octagon".
An octagon can be an irregular shape, but a regular octagon has all sides and angles equal.
An octagon that is not irregular is a regular octagon, one in which each of the eight sides os the same length
Octagons can be irregular or regular. It depends on the measure of the angles and the length of a side. An octagon is a shape with 8 sides, not necessarily the regular octagon that stop signs are shaped like.
An octagon. Or more specifically, an irregular octagon.
It can be regular or irregular although irregular is more probable.
A regular octagon will not tessellate but an irregular one can.
A regular octagon will not tessellate but an irregular one can.
A regular octagon will not tessellate but an irregular one will.
None, if it is an irregular octagon.
A regular octagon will not tessellate but an irregular one can.
An irregular octagon.