Assertion: icosahedron's face | /r/CapableOf | lie on same plane
Facets:
value: as an original icosahedral face
type: MANNER
Source sentences:
text: The triangular faces of each pair of adjacent pyramids lie on the same plane, and so merge into rhombuses.
text: Two relationships described in the article below are also easily seen in the images: That the violet edges are the same, and that the green faces lie in the same planes.
text: To be considered a stellation of an icosahedron, each face must lie on the same plane as an original icosahedral face.