Assertion: triaki icosahedron | /r/HasAspect | three symmetry positions
Facets:
Source sentences:
text: The triakis icosahedron has three symmetry positions, two on vertices, and one on a midedge: The Triakis icosahedron has five special orthogonal projections, centered on a vertex, on two types of edges, and two types of faces: hexagonal and pentagonal.