In a triangle ABC the cevians AA1,BB1,CC1 are concurrent at P1. The circumcircle of triangle A1B1C1 intercept the sides at A2,B2,C2. Prove that the cevians AA2,BB2,CC2 are concurrent at a point P2 known as cyclocevian conjugate of P1. See dynamic diagram.
Weisstein, Eric W. "Cyclocevian Conjugate." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/CyclocevianConjugate.html
This step-by-step interactive illustration was created with GeoGebra.
GeoGebra is free and multi-platform dynamic mathematics software for all levels of education that joins geometry, algebra, tables, graphing, statistics and calculus application, intended for teachers and students. Many parts of GeoGebra have been ported to HTML5.
Ten problems: 1411-1420
HTML5 and Dynamic Geometry
View or Post a solution