Circles (A33a) and (A33b): Brothers of the quadruplet circle

Definition

The circle tangent to the circle with center A through C and to the common tangent of (O1) and (O2) is Archimedean. Similarly the circle tangent to the circle with center B through C and to the common tangent of (O1) and (O2) is Archimedean [van Lamoen 2006].

Properties


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