perplexus.info :: Shapes : Circular Fun

Circular Fun (Posted on 2005-07-28)

When you draw three circles of radius r such that all three are externally tangent, what is the area of the shape in the center in terms of r?

See The Solution Submitted by Justin

Rating: 3.2857 (7 votes)

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different

| Comment 14 of 19 |

i like that radical 3(1.7320508) times the radius squared for the area of a triangle!!

Posted by ronwilliams on 2005-11-09 10:30:22

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