The Extended Ptolemy's Theorem

Explanations 1

• The generalized version of Ptolemy's theorem, also known, as Casey's theorem states the following. Theorem. Let OOO be a circle of radius RRR. Let O1,O2,O3,O4O_1,O_2,O_3,O_4O1​,…

  By Ahaan Rungta, Moor Xu