[math-fun] triangle dissection puzzle
In how many ways can a right isosceles triangle be dissected into seven acute isosceles triangles? And eight? --rwg
Which triangles can be dissected into just two mirror-symmetric pieces? Veit On Feb 13, 2012, at 4:42 AM, Bill Gosper wrote:
In how many ways can a right isosceles triangle be dissected into seven acute isosceles triangles? And eight? --rwg _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com http://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun
I believe there are in total exactly Round[Tan[69]] solutions, which can be seen here <http://gosper.org/acutefail.png> and here<http://gosper.org/acutefail2.png>. (Along with three Solve bogons.) --rwg On Mon, Feb 13, 2012 at 1:42 AM, Bill Gosper <billgosper@gmail.com> wrote:
In how many ways can a right isosceles triangle be dissected into seven acute isosceles triangles? And eight? --rwg
participants (2)
-
Bill Gosper -
Veit Elser