cube
A parallelogram with four right angles is a rectangle; if the rectangle also has four equal sides, then it is known as a square.
a triangle
Square
rectangle, quadrilateral, square, parallelogram
it could be a square or a rectangle. its a square if all four sides are congruent, but if not, its a rectangle.
cube
A parallelogram with four right angles is a rectangle; if the rectangle also has four equal sides, then it is known as a square.
a triangle
It could be a square or a rectangle. Or you could call it a quadragon.
Square
rectangle, quadrilateral, square, parallelogram
press triangle square triangle square
A rectangle is a quadrilateral with 4 right angles (90 degrees) and two sets of parallel lines. The definition of a rectangle includes the the shape of a square, but a square has an added rule, that all sides must be equal. So a square is a rectangle. Oblong is a term for non-square rectangles.
In that case, it is a square.
A square is also a rectangle, a rhombus, a parallelogram, and a quadrilateral.
A square a rectangle and a parallelagram or quadrilateral