Assertion: ceiling's shape | /r/HasProperty | triangular
Facets:
Source sentences:
text: Gable ceilings rise upward in a triangular shape creating a sense of space, grandeur and openness.
text: The shape can be square, rectangular, or round.
text: Above each window is an arched shape, referred to as a lunette and above eight of the lunettes at the sides of the chapel are triangular spandrels filling the spaces between the side pendentives and the vault, the other eight lunettes each being below one of the corner pendentives.