Newsgroups:sci.mathFrom:feng-thomas@CS.YALE.EDU (Thomas Zuwei Feng)Subject:construct a pentagonOrganization:Yale University Computer Science Dept., New Haven, CT 06520-2158Date:Fri, 15 May 1992 18:20:10 GMT

Call a pentagon 'parallel' if every diagonal is parallel to its opposite side. e.g., for ABCDE, AB // EC, etc. Now, given three of the vertices, say A, B, C, construct the points D and E, so that ABCDE is a parallel pentagon. I did this by first constructing a regular pentagon, and then applying some linear transformations, but I'd like to see an elegant solution. -- Thomas Zuwei Feng PO Box 3207 Yale Station, New Haven, CT 06520 tfeng@cs.yale.edu 328 Humphrey Street, New Haven. 203-624-0205 Quand on cherche, on trouve. What do YOU care what other people think?