Assertion: rectangle | /r/DefinedAs | quadrilateral
Facets:
value: in euclidean geometry
type: LOCATION
value: usually
type: TEMPORAL
value: with four right angles
type: OTHER
value: generally
type: MANNER
Source sentences:
text: Rectangles can generally be defined as a quadrilateral which has an axis of symmetry running through each pair on opposite sides.
text: In Euclidean geometry, a rectangle is usually defined as any quadrilateral with four right angles.
text: A rectangle is defined as a quadrilateral where all four of its angles are right angles.