Assertion: tetrahedron | /r/HasProperty | plural: tetrahedra
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: The tetrahedron (plural tetrahedra) or triangular pyramid is the simplest polyhedron.
text: A tetrahedron (plural: tetrahedra) is a polyhedron composed of four triangular faces, three of which meet at each vertex.
text: A tetrahedron (plural: tetrahedra) is a polyhedron composed of four triangular faces, three of which meet at each vertex.