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riddles >> easy >> Cyclic quadrilateral and orthogonal circle
(Message started by: O2009 on Oct 18th, 2009, 9:59pm)

Title: Cyclic quadrilateral and orthogonal circle
Post by O2009 on Oct 18th, 2009, 9:59pm
This topic has been moved to [link=http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_medium;action=display;num=1269425397;start=0]medium[/link] by towr.



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