perplexus.info :: Shapes : Four Tangent Circles

Four Tangent Circles (Posted on 2003-10-20)

Four circles are tangent to each other and to a triangle that surrounds them, as shown in the figure. Each of the three circles in the corners have a radius of 1 cm. What is the radius of the circle in the middle?

No Solution Yet Submitted by Bryan

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answer

Comment 13 of 13 |

The required radius of the middle circle is approximately 1.5107 cm

Posted by K Sengupta on 2007-05-19 23:12:05

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