Assertion: polyhedron's face | /r/HasProperty | self-intersecting polygons
Facets:
value: for an orientable polyhedron
type: PURPOSE
Source sentences:
text: In these polyhedra either the faces intersect each other or the faces themselves are self-intersecting polygons (see Fig.
text: For an orientable polyhedron (even if it is self-intersecting and its faces are self-intersecting polygons) it is possible to introduce the notions of surface area and volume.
text: The concepts of surface area and volume may be introduced for an orientable polyhedron, even if it is self-intersecting and its faces are self-intersecting polygons.
text: The concepts of surface area and volume may be introduced for an orientable polyhedron, even if it is self-intersecting and its faces are self-intersecting polygons.
text: The concepts of surface area and volume may be introduced for an orientable polyhedron, even if it is self-intersecting and its faces are self-intersecting polygons.