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Two circles, centered at A and B are externally tangent to each other, and tangent to a line L. A third circle, centered at C is externally tangent to the first two circles, and the line L. If the radii of circle A and circle B are 9 and 25, respectively, then what is the radius of circle C?

 May 4, 2021
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The radius of circle C is 6*sqrt(2).

 May 14, 2021

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