We are making history again by presenting a new visual proof of the 2000+ years old Ptolemy's theorem and Ptolemy's inequality. 00:00 Introduction 04:27 Geometry 101 08:19 Applications 14:46 Ptolemy's ...
the Pythagorean theorem. Keith McNulty, an expert in applied mathematics, said: 'It's a wonderful demonstration that excellence in a field of research is achievable by anyone with joy and passion, ...