square
A trapezium
A trapezoid
This would be a parallelogram or a rhombus. A parallelogram is like a pushed over rectangle and a rhombus a pushed over square. All sides are equal length and parallel on a rhombus but opposite sides are equal and parallel on a parallelogram. None of the sides are joined by 90 degree angles.
they have 4 sides of equal lenght and they have 2 pairs of parellel sides
A rectangle or a square.
square
Square
Nothing. 'parellel' is not a word. therefore nothing can 'be' it.
A square
A trapezium
A trapezoid
parallelogram. also squares. which are parallelograms
If all pairs of opposite sides are parallel, each pair must be equal.
Rectangle, Square, Parallelogram
A Rhombus
This would be a parallelogram or a rhombus. A parallelogram is like a pushed over rectangle and a rhombus a pushed over square. All sides are equal length and parallel on a rhombus but opposite sides are equal and parallel on a parallelogram. None of the sides are joined by 90 degree angles.