Talk:Ptolemy's Theorem
Revision as of 16:42, 17 February 2007 by IntrepidMath (talk | contribs)
Multiple Proofs? I think the proof where you draw the diagonals and flip one of the triangles to get a quadrilateral ABCD' and then use the (1/2)ab sin C formula is a bit shorter and easier to understand. Anyone else agree?--IntrepidMath 15:42, 17 February 2007 (EST)
