Assertion: icosahedron | /r/HasProperty | 20 equilateral triangles
Facets:
Source sentences:
text: The five platonic solids, or regular polyhedra, are: the tetrahedron (consisting of four faces that are equilateral triangles), the hexahedron, also known as a cube (consisting of six square faces), the octahedron (consisting of eight faces that are equilateral triangles), the dodecahedron (12 pentagons), and the icosahedron (20 equilateral triangles).