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Circular Fun (Posted on 2005-07-28) Difficulty: 2 of 5
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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solution? | Comment 5 of 18 |
When i drew three triangles all externally tangent to each other, I came up with a triangle in the center. That was too easy to be the right answer. So, I don't know.
  Posted by Reges on 2005-07-28 17:09:36
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