No.
Yes, a parallelogram is always a quadrilateral.
Yes.
Yes it is a quadrilateral polygon.
parrallelogram and quadrilateral
A trapezium is one example.
Parrallelogram, quadrilateral, square... PLEASE ADD
sometimes
Such a figure is called a rhombus.
Normally four because it's a quadrilateral polygon.
Every quadrilateral has 2 pairs of opposite sides and so it is not clear what the question is about.
A parallelogram is a quadrilateral with two pairs of parallel sides. A rectangle meets those requirements.