This page is a sub-page of our page on Geometric Shapes. /////// Related KMR-pages • … /////// Other relevant sources of information: • Triangle • Quadrilateral • Circle • Plane geometry • Interactive Quadrilaterals • A miracoulus proof of Ptolemy’s Theorem, Zvezdelina Stankova on YouTube /////// The interactive simulations on this page can be navigated … Continue reading Triangles, Quadrilaterals and Circles