The rectangle and the rhombus are parallelograms.

A parallelogram is a quadrilateral formed from two sets of parallel lines.

A square is one type of rectangle, and a rectangle is one type of parallelogram.

Important geometric figures, that are triangle, square, rectangle, circle, parallelogram and trapeze.

Some important geometric shapes are the triangle, the square, the rectangle, the circle, the parallelogram and the trapezium.

The opposite sides of a parallelogram are parallel.