Kempe's Angle Adder
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Let = ∠AOC = ∠COA' and let = ∠BOC = ∠COB'. If = ∠AOB and = ∠AOC, then ∠AOA' = .
Contributed by: Izidor Hafner (March 2011)
Based on work by: Erik D. Demaine and Joseph O'Rourke
Open content licensed under CC BY-NC-SA
E. D. Demaine and J. O'Rourke, Geometric Folding Algorithms: Linkages, Origami, Polyhedra, New York: Cambridge University Press, 2007 p. 34.
"Kempe's Angle Adder"
Wolfram Demonstrations Project
Published: March 7 2011