A generalization of the Kiepert hyperbola - Darij Grinberg and Alex Myakishev Consider an arbitrary point P in the plane of triangle ABC with...
Orthopoles and the Pappus theorem - Atul Dixit and Darij Grinberg If the vertices of a triangle are projected onto a given line, the...
On the Kosnita point and the reflection triangle - Darij Grinberg The Kosnita point of a triangle is the isogonal conjugate of the nine-point...
The Apollonius circle as a Tucker circle - Darij Grinberg and Paul Yiu LTTK TEZ xin giới thiệu với bạn đọc yêu thích tạp chí Hình học...
