Tuesday,  October 7 (could use more editing.)

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Space: How do we understand objects in space? Continued..

• Polyhedra and Duality
• In space: Dual polyhedron.
  Connected by counting and constructions.
• Vertex - Face
• edge-edge

Cube- octahedron;
Dodecahedron - icosahedron; tetrahedron.

• Platonic (regular convex polyhedra) and Archimedean (semiregular convex) Solids- on the web!
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  The 5 Platonic Solids

  Cube Dodecahedron Icosahedron Octahedron Tetrahedron

• The Archimedean  Solids in more detail  [Handout!]

• The 13 Archimedean Solids

  Cubeoctahedron Icosidodecahedron Rhombicubeoctahedron Rhombicosidodecahedron Rhombitruncated Cubeoctahedron Rhombitruncated Icosidodecahedron Snub Cube Snub Dodecahedron Truncated Cube Truncated Dodecahedron Truncated Icosahedron Truncated Octahedron Truncated Tetrahedron



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• More on The regular and semiregular polyhedra: Check this site!  from Visual geometry pages.
• The Pseudo-Rhombicubeoctahedron.
  
• Getting familiar with the cube and octahedron with shadows.