A "parallelogram" technically is a shape where opposite sides are equal and any shape with four sides is a "quadrilateral". Every square has four sides of equal length, so a square is both a parallelogram and a quadrilateral. A rhombus(or diamond shape) can have four sides of equal length and can be a parallelogram as well, so either are possibilities.
The rectangle
A square of course!
Its a diamond :]
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 "parallelogram" technically is a shape where opposite sides are equal and any shape with four sides is a "quadrilateral". Every square has four sides of equal length, so a square is both a parallelogram and a quadrilateral. A rhombus(or diamond shape) can have four sides of equal length and can be a parallelogram as well, so either are possibilities.
The rectangle
A geometric shape with four sides, where all four sides are of an equal length.
A rhombus.
A square of course!
Its a diamond :]
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.
A square has four right angles and four sides of equal length.
A Square has four equal length sides
When all sides are equal it has a to be SQUARE. Which is the only shape that is a regular quadrilateral.
A square is a four-sided shape with all sides equal and all angles equal.