A nine sided polygon does not normally tessellate
Yes.
No regular petagons do NOT tessalate
Not a regular nonagon.
A nonagon has 9 angels ;)
The answer depends on what elements of a nonagon you measure.
No.
No.
yes it will
Yes.
A rhombus tessellates.
Yes.
All triangles tessellate.
yes
Yes, rectangles will tessellate.
No regular petagons do NOT tessalate
Because nonagon means 9 sides
Not a regular nonagon.