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Trisection with Gears

© Copyright 2003, Jim Loy

This interactively demonstrates the actual trisection of an angle, using gears to produce a 3/1 ratio. Move the large red point. The bottom angle is 1/3 the top one.

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

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

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Return to my Mathematics pages
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