Circle (A10a) and (A10b): The Schoch Twins

Definition

Let the circle with center A trhough C meet (O) in a point, the smallest circle through that point tangent to CD is the Archimedean circle (A10a). Similarly using the circle with center B trhough C we find (A10b). Introduced by Thomas Schoch [Dodge e.a. 1999]


Back to Catalogue
Home.