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Geometry Problem 1158: Four Tangent Circles, Tangent Chord, Radius, Metric Relations. Level: School, College, Mathematics Education

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The figure below shows four tangent circles O1 (radius = 4), O2 (radius = 5), O3 (radius = 4), and O4 so that chord AB is tangent to circles O1, O2, and O3. Find AB.

 

Geometry Problem 1158 Four Tangent Circles, Tangent Chord, Radius, Metric Relations

 

 

 

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