Google Classroom谷歌课堂
GeoGebraGeoGebra 教室
GeoGebra

Cópia de Dandelin's theorem

作者:Eliesio A. Silva, Mathieu Blossier
* Move points A and B to change section of the cone * Spheres are tangent to the plane and to the cone * Move point P on the conic * When the conic is an ellipse, why is MP+PH constant ?

新资源

发现资源

发现主题