Assertion: parallelogram | /r/HasAspect | property
Facets:
Source sentences:
text: Hence, a parallelogram could have all properties listed above if any of the statements become true
text: Thus all parallelograms have all the properties listed above, and conversely, if just one of these statements is true in a simple quadrilateral, then it is a parallelogram.
text: A parallelogram has several properties that are related to its base, altitude, area, perimeter, opposite sides and diagonal.