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A parallelogram has 2 sets of parallel sides. The opposite sides  are equal in length and opposite angles are equal. Examples of  parallelograms are squares, rectangles and â¦ rhombuses. You can find  the perimeter of a parallelogram by doubling the base+side length. 6 people found this useful.
A parallelogram is a quadrilateral in which both pairs of opposite sides are parallel. An additional property of a parallelogram is that both pairs of opposite sides are congruent. Note: Similar arrow markings indicate that the sides are parallel. A rhombus is a parallelogram with four congruent sides.