Definition 1: A parallelogram is a four sided figure where the opposite sides are parallel. Theorem 1: In a parallelogram, the opposite sides are of equal length. Theorem 2: If the opposite sides in a quadrilateral are the same length, then the figure is a parallelogram.

Does a parallelogram have all equal sides?

1. Rhombus: A parallelogram in which all sides are equal. ... Rectangle: A parallelogram in which all angles are right angles and the diagonals are equal. Here all angles are right angles.

Does a parallelogram have equal sides Yes or no?

The Parallelogram A parallelogram has opposite sides parallel and equal in length. Also opposite angles are equal (angles “A” are the same, and angles “B” are the same). NOTE: Squares, Rectangles and Rhombuses are all Parallelograms!