Any regular shaped polygon has equal angles and equal sides
A hexagon has all six sides in equal length and all angles in equal measure.
A square is a four-sided shape with all sides equal and all angles equal.
No shape has four equal sides and four different angles - either there are two pairs of equal angles, or all four angles are the same; or all sides are not the same length.
A rhombus.
Its a diamond :]
A rhombus
The rectangle
square
A Rhombus
Rhombus
rhombus