Software
Collinearity of a triangle's circumcenter, incenter, and the contact triangle's orthocenter
Autor
Warendorff, Jay
Resumen
Let I and O be the incenter and circumcenter of a triangle. Let H be the orthocenter of the triangle's contact triangle (the triangle formed by the points of contact of the incircle with the sides). Then I, O, and H are collinear Componente Curricular::Ensino Médio::Matemática Componente Curricular::Educação Superior::Ciências Exatas e da Terra::Matemática