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Convex Hull (Posted on 2014-09-10) Difficulty: 3 of 5

Let ABCD be a cyclic quadrilateral with side lengths a, b, c, and d.

What is the area ( in terms of a, b, c, and d ) of the convex hull of
four circles ( with centers A, B, C, and D and each passing through
the circumcenter of ABCD )?

See The Solution Submitted by Bractals    
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  Subject Author Date
SolutionMost of the answerJer2014-09-11 11:56:14
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