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

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

The opposite sides of a parallelogram are parallel.

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

The rectangle and the rhombus are parallelograms.

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