Learn the six properties of a parallelogram , such as opposite sides and angles are equal and congruent, and the diagonals bisect each other. Also, find the formula for the parallelogram law and examples of problems involving parallelograms. Different Types of Parallelograms What Are the Properties of a Parallelogram ? A quadrilateral is a special type of polygon, which can be known as a parallelogram if it contains two parallel opposite sides. A parallelogram has the following properties : What shape is a parallelogram in geometry – find out its definition and properties with calculation of area, perimeter and median using examples, formulas & diagram A parallelogram is a type of quadrilateral that has several distinctive properties . These properties help students simplify geometric problems related to parallelograms . The properties of a parallelogram include having opposite sides that are equal in length and parallel, and opposite angles that are equal.