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