http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=1079126&tstart=0#1079126 follwing technique for introducing triangle similarity, which I got]]> Oct 8, 1992 5:31:01 PM Oct 8, 1992 5:31:01 PM mcdougal@cs.uchicago.edu 0