Question: Write out the incidence matrix for the other Platonic solids: (a) Tetrahedron (b) Octahedron (c) Dodecahedron (d) Icosahedron (You will need to choose an orientation

Write out the incidence matrix for the other Platonic solids:
(a) Tetrahedron
(b) Octahedron
(c) Dodecahedron
(d) Icosahedron
(You will need to choose an orientation for the edges.) Show that, in each case, the number of independent circuits equals the number of faces minus i.

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