A quadrilateral with two pairs of parallel and congruent sides. Both pairs of opposite angles are congruent.
a parallelogram with two pairs of congruent, parallel sides and four right angles.
parallelogram with all four sides equal in length
a parallelogram with four congruent sides and four right angles
a quadrilateral with exactly one pair of parallel sides
Having the same size and shape
a polygon with four sides
a closed figure with three sides
a figure without angles or straight lines
sides that share a vertex