Assertion: icosahedron's dodecahedron | /r/HasProperty | self-dual polyhedron
Facets:
value: topologically
type: DEGREE
value: in geometry
type: OTHER
Source sentences:
text: In geometry, a tetrahedrally diminished dodecahedron (also tetrahedrally stellated icosahedron or propello tetrahedron) is a topologically self-dual polyhedron made of 16 vertices, 30 edges, and 16 faces (4 equilateral triangles and 12 identical quadrilaterals).