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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: College math
Topic ID: 526
Message ID: 5
#5, RE: A geometry problem from N.A. Court
Posted by Tamas Varhegyi on Sep-04-05 at 07:26 AM
In response to message #4

Thank you for giving the solution to the N.A.Court problem I posted.
After several attempts I gave in and used brute force, that is trigonometry.

I implemented your construction using Geometer's Sketchpad. It is an elegant and in retrospect a "simple" solution, reminds me the problem sets found in Yaglom's Geometric Transformations.

I could not quite figure out the solution suggested using circle inversion, but I will keep trying.

Tamas Varhegyi