Polyhedra: A Visual Approach

added Alternate antiprism appear Archimedean polyhedra arcs arrangement bases become building called Chapter chord factor circuits circumscribing sphere circumsphere close-packing common complete constructed convex create cube cuboctahedron decagonal define described dihedral angle distance divided dodecahedron dome drawing dual edge lengths eight ends equal equilateral triangles example expressed face angles facially regular prisms figure figures derived five follows formula four framework frequencies gaps geodesic given Golden groups hedron Hence hexagonal icosahedron icosidodecahedron important inside intersect intersphere joined lines material meet method midpoints names octahedra octahedron original pair pentagonal plane Platonic polyhedra points polygons polyhedron prism problem produced projected pyramids radius Rectangle relationships rhombic rhombicuboctahedron rotating shapes shown in Diagram shows similar sketch snub square square faces stable struts subdivided suitable tape tessellation tetrahedron third touch triangular faces truncated truncated octahedron truncated tetrahedron twelve types versions vertex vertices