Assertion: tetrahedron | /r/HasProperty | six straight edges
Facets:
Source sentences:
text: In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.
text: In geometry, the other name for triangular pyramid is also taken as the tetrahedron that is composed of four triangular faces and six straight edges, and four vertex corners.
text: In geometry, a Tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners.