Wednesday, December 3, 2008

Monge & d'Alembert Three Circles Theorem I

Dynamic Geometry
Given three disjoint circles A, B and C of unequal radii situated entirely in each other's exterior. Then the common external tangents taken in pairs, meet in three points X, Y and Z which lie on a line.

Monge & d'Alembert Three Circles Theorem.
Continue reading at:
gogeometry.com/javacar/Monge_1.htm

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