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Archimedes' Trisection Animation

© Copyright 2000, Jim Loy

There are three angles here, a small angle, twice the small angle, and three times the small angle. To produce the two curves, I kept the vertex of the small angle fixed, and then varied that angle, keeping one side fixed. The diagram is Archimedes' method of trisecting the large angle.

Please enable Java for an interactive construction (with Cinderella).

The above Java animation was created with Cinderella (a geometry program).


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