Assertion: parallelogram's base | /r/HasProperty | parallel
Facets:
value: usually
type: DEGREE
Source sentences:
text: To be a parallelogram, the base and top sides must be parallel and congruent, and so must the left and right sides.
text: Altitude is always measured from the base (either parallel side) to the other side, at a right angle to the base.
text: The bases are parallel but of different lengths.
text: The bases are parallel but of different lengths.
text: The bases (top and bottom) of an isosceles trapezoid are parallel.
text: The base is usually the longer parallel side, but if the trapezoid is drawn with the shorter parallel side at the bottom, then it is the base.