Geometry Mathley 13.2 Euler line of ABC is Newton line of PQRS
Source:
June 7, 2020
Euler LineNewton linegeometryexcircleEuler Circle
Problem Statement
In a triangle , the nine-point circle is tangent to the incircle and three excircles at the Feuerbach points . Tangents of at bound a quadrangle . Show that the Euler line of is a Newton line of .Luis González