Assertion: rectangle | /r/HasAspect | 4 angles
Facets:
value: at 90°
type: OTHER
Source sentences:
text: Thus, a rectangle has 4 angles, each measuring 90 ̊.
text: A rectangle has all its angles #90°#
text: Both a square and a rectangle may have their four angles at 90°, have parallel opposite sides with the same length, and have their diagonals equal in length, but only a square has four sides of equal length.