Parallelograms Properites, Shape, Diagonals, Area and Side Lengths plus interactive applet. Learn what a parallelogram is, its special cases, angle properties, area and perimeter formulas, and types of parallelograms. See examples, video lesson, FAQs and related topics on geometry. A parallelogram is defined as a quadrilateral in which both pairs of opposite sides are parallel and equal . The angle between the adjacent sides of a parallelogram may vary but the opposite sides need to be parallel for it to be a parallelogram. A parallelogram is a two-dimensional shape. It has four sides, in which two pairs of opposite sides are parallel. The parallelogram formula is used to calculate the area and perimeter of a parallelogram . Understand the parallelogram formula with derivation, examples, and FAQs.

Available

Product reviews

Rating 4.5 out of 5. 8,008 reviews.

Characteristics assessment

Cost-benefit

Rating 4.5 out of 10 5

Comfortable

Rating 4.3 out of 5

It's light

Rating 4.3 out of 5

Quality of materials

Rating 4.1 of 5

Easy to assemble

Assessment 4 of 5