I think it is a rhombus.
A square has four right angles and four sides of equal length.
A square has four equal sides and four equal angles * * * * * A square is a specific example. More generally, the shape is a REGULAR POLYGON.
Parrallelogram
Not possible ! If the shape has four right-angles, at least two sides must be the same length.
A regular quadrilateral. A plane shape with four sides which are equal in length and which meet at right angles.
A shape with opposite sides parallel and of the same length and four right angles is a rectangle.
parrallelogram
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 square
a rhombus
The rectangle
rhombus
Parrallelogram
A shape that has four right angles is a rectangle. If all four sides are equal in length, then it is a square.
This is a parallelogram called a rectangle. A square has four right angles and four sides that are equal in length.