Parallelogram — parallelogram antonyms, definition

1. parallelogram (Noun)

1 antonym
Trapezium
1 definition

parallelogram (Noun) — A quadrilateral whose opposite sides are both parallel and equal in length. ex. "the shear changed the rectangle into a parallelogram"

3 types of
quadrangle quadrilateral tetragon
5 types
Rhombus diamond rectangle rhomb rhomboid