CHALLENGE The angle defect D at a vertex of a polyhedron is defined as follows: D 5 3608
Chapter 12, Problem 12.1.51(choose chapter or problem)
CHALLENGE The angle defect D at a vertex of a polyhedron is defined as follows: D 5 3608 2 (sum of all angle measures at the vertex) Verify that for the figures with regular bases below, DV 5 720 where V is the number of vertices.
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