A shape with six sides is a hexagon. A hexagon with all sides and angles equal is a regular hexagon.
An equilateral triangle.
An irregular pentagon.
Well its still a 2d because its like a normal square
There is no such shape. A 2d shape with 5 sides and all equal angles must be a regular pentagon (or a 5-pointed star if you stretch the definition of "all angles"). And a regular pentagon - or star - has 5 lines of symmetry.
A square is a two-dimensional shape with four equal sides and four right angles.
The shape is a regular pentagon.
A Parallelogram.
A regular pentagon
An irregular quadrilateral.
Impossible.
A rhombus. (Which is in fact also an equilateral parallelogram)