Assertion: icosahedron's polyhedron | /r/CapableOf | point down to its bisection
Facets:
Source sentences:
text: All platonic solids can simply be regarded as 3,4 and 5 equilateral triangles joined about a point (tetrahedron, octahedron and icosahedron) and the other 3 (cube, dodecahedron and tetrahedron again) are simply the dual polyhedrons generated by shaving the vertex points down to its bisection (half the length of an edge).