Assertion: polyhedron's face | /r/HasProperty | oriented
Facets:
Source sentences:
text: If the faces of a polyhedron can be so oriented that the adja-cent faces assign opposite orientations to their common edge, then the polyhedron is said to be orientable; otherwise the polyhedron is not orientable.
text: If the faces of a polyhedron can be so oriented that the adja-cent faces assign opposite orientations to their common edge, then the polyhedron is said to be orientable; otherwise the polyhedron is not orientable.
text: If the faces of a polyhedron can be so oriented that the adja-cent faces assign opposite orientations to their common edge, then the polyhedron is said to be orientable; otherwise the polyhedron is not orientable.