¶ Central Angles & Surface Angles
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Index Entry
Central Angles & Surface Angles:
"As you go from one great circle to another . . . in hierarchies, where the internal angles become surface angles and the surface angles become internal angles.
I have shown you where a triangle on the surface of the icosahedron folds itself up and becomes a tetrahedron and plunges down into the internal angles of the icosahedron."
¶ Citations
- RBF tape transcript Chicago, Blackstone Hotel, 1 June 1971 - Synergetics V, p. 17.
