Friday, December 26, 2008

Classical Theorems

Index
Pythagorean theorem, Heron, Ptolemy, Brahmagupta, Menelaus, Ceva, Nine Point Center, Theaetetus, Euler's Polyhedron, Pascal, Pappus, van Aubel, Eyeball, Butterfly, and more.


Classical Theorems in Geometry
Continue reading at:
gogeometry.com/geometry/classical_theorems_index.html

Posted by Antonio Gutierrez at 1:57 PM
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2 comments:

  1. AnonymousNovember 17, 2012 at 11:00 AM

    Hi antonio, here is a audiovisual proof for several theorems in your site:

    http://www.youtube.com/watch?v=RKZNLmItGsU&list=PL2CC49A548527528B&feature=plpp_play_all

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  2. AnonymousFebruary 26, 2013 at 3:34 PM

    For a triangle, suppose the two tangent lines drawn from a point of the circumscribed circle to the inscribed circle intersect the circumscribed circle at P and Q, then show that the line PQ is tangent to the inscribed circle.

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