A parallelogram.
It is a square
Its a diamond :]
a rhombus
A square is a two-dimensional shape with four equal sides and four right angles.
Squares and rectangles have a two-dimensional shape with four sides and four right angles.
parallelogram
You don't tell us enough information. In a square, there are four sides and four angles. The sides are all equal and the angles are all right angles. In a rectangle, there are four sides and four angles The opposite sides are equal and the angles are all right angles. There is no other shape in which all angles are right angles.
A square.
A rectangle has two sets of two equal sides and four right angles.
A shape with more than four sides, but has four right angles. There is no name for it.
A shape that has four straight sides and four angles is defined as a quadrilateral. If all four angles are right angles, it is a rectangle, and if all four sides are congruent, it is a square.
A shape with opposite sides parallel and of the same length and four right angles is a rectangle.
parrallelogram
Rectangle
A rhombus has four equal sides but no right angles.
parallelogram