Assertion: rectangle's side | /r/Synonym | base
Facets:
Source sentences:
text: Any two opposite sides of a parallelogram are called bases, a distance between them is called a height.
text: The two parallel sides are the bases, and height, as always, is the perpendicular distance from one base to the opposite.
text: Any two opposite sides of a parallelogram are called bases, a distance between them is called a height.