parrallelogram
A shape with opposite sides parallel and of the same length and four right angles is a rectangle.
A square
a rhombus
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.
Parrallelogram
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.
*the. Answer is the Square.
A rhombus has four sides of the same length, and a rectangle has four angles of the same measure. A square has equal sides and equal angles.
A square has four right angles and four sides of equal length.