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March 29, 2015

Homework Help: maths

Posted by faizel on Friday, December 21, 2012 at 7:57am.

there are two circles touching each other at one point. The radius of bigger circle is 4cm and smaller is 1cm. A small third circle is drawn which touches both the first two circles at one point each. A common tangent passes through all the three circles.Find the radius of this third cirlcle.

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