Circle (A14): The Second Schoch line Circle

Definition
Let the Schoch line (see The Schoch incircle) meet (O1O2) in S3.
The circle on diameter CS3 is the Archimedean circle (A14).
Introduced by Thomas Schoch [Dodge e.a. 1999].
Properties
(A14) passes through the point S1 where the Schoch line meets BC [Dodge e.a. 1999].
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