No cones can not tessellate.
A square will tessellate leaving no gaps or overlaps but a circle does not tessellate.
Yes * * * * * No. A star will not tessellate.
yes... this figure does tessellate
No, it can't be tessellate.
Tessellate is a verb. You were correct
yes * * * * * No, they do not tessellate.
Yes a quadrilateral will tessellate.
No, but an octagon and a square can tessellate.
No, there is no polygon with 7 or more sides can tessellate.
No it does not tessellate you have to pentagons in order for it to tessellate. * * * * * It is not at all clear what "have to pentagons" has to do with this. No polygon with 7 or more sides will tessellate. Octagons will tessellate if mixed with squares but that is not "proper" tessellation since it involved more than one shape.
No not all shapes tessellate.