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Tom Edgar CSU Pueblo |
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100 Years of MAA SoCal-
Nevada (Cal State Fullerton) |
Knight’s Move
(Carnegie Mellon) |


The 5-5-4 Acrohedron problem [McNeill 2002]
orchidpalms.com/polyhedra


The 2-2-1 isosceles triangle cannot be domed.
(iff unit rhombus with diagonals 1/2 and √3 cannot be domed)
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[McNeill 2004] |














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