Yes It Does
yes
All regular polygons do.
almost all even number of sided polygons, regular has to be
There would be too many to name. All regular polygons have a line of symmetry, but there are still polygons that don't.
Regular polygons.
A circle (infinitely many lines of symmetry), ellipse, rectangle, and all regular polygons.
no
yes
yes
All regular ones do.
Yes.
All of them have rotational symmetry because all the sides and angles have to be the same in order for the polygon to be a regular polygon