Ptolemy’s Theorem and the Almagest: we just found the best visual proof in 2000 years Mathologer 32:54 1 month ago 87 007 Далее Скачать
A Miraculous Proof (Ptolemy's Theorem) - Numberphile Numberphile 38:28 4 years ago 1 036 970 Далее Скачать
How Ptolemy's Theorem is Applied to Solve Cyclic Quadrilaterals For Beginners | Learning by Examples Learn Math By Doing 4:42 2 years ago 1 019 Далее Скачать
How to Prove Ptolemy's Theorem for Cyclic Quadrilaterals Mohamed Omar 7:02 4 years ago 16 496 Далее Скачать
Animated Visual Representation of Ptolemy's Theorem Champions Academy 0:52 3 years ago 978 Далее Скачать
Ptolemy's Theorem Reveals Mind-Blowing Equilateral Triangle Discovery #SOME3 #geometry #theorem The MathLab 0:37 1 year ago 1 925 Далее Скачать