If a variable circle K touches a fixed circle K1 and is orthogonal to another fixed circle K2, using inversion, how can we show that K touches another fixed circle coaxial with K1 and K2?

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- Nov 28th 2008, 02:41 PMgeo_mathTransformation
If a variable circle K touches a fixed circle K1 and is orthogonal to another fixed circle K2, using inversion, how can we show that K touches another fixed circle coaxial with K1 and K2?

- Nov 29th 2008, 12:42 AMOpalg