Dandelin's theorem in stereo

Onderwerp:Kegel

* 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 ?

Nieuw didactisch materiaal

Midpoint Coordinates
Slope
Dilation + Rotation of Pentagons
Untitled
GeoGebra Notes

Ontdek materiaal

inequality1_cor_yes
Circle to Circle Collision
latitude_A
Net of a Cylinder
Transformations of R2
Seven's

Ontdek onderwerpen

Wortel
Ongelijkheden
Kubus
Toetsen van hypothesen
Gelijkvormigheidstransformatie of gelijkvormigheid