Assertion: rhombus | /r/CapableOf | happen to have its sides
Facets:
value: at right angles
type: MANNER
Source sentences:
text: If the rhombus happens to have its sides at right angles, it's a square, which is a special form of rhombus, which is, in turn, a special form of a parallelogram, which is a special form of a quadrilateral, which is a four-sided planar polygon.