Assertion: parallelogram's length | /r/HasProperty | dc
Facets:
Source sentences:
text: Also, side AB is equal in length to side DC, since opposite sides of a parallelogram are equal in length.
text: For example, to find length DC of parallelogram ABCD with vertices A (0, -1), B (3, 0), C (5, 2) and D (2, 1), subtract (2, 1) from (5, 2) to get (5 - 2, 2 - 1) or (3, 1).