Copia de Dandelin's theorem

Author:Luis, Mathieu Blossier, Gabriel Neves

* 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 ?

New Resources

GeoGebra 3D Modeling Workshop (March 8 2024)
Linear Combination of Vectors
Linear Equation Graphs: Thin Slice
Laundry Basket
Isosceles Right Triangle

Discover Resources

Tangent Values and Nested Triangles
Calculating real distances from a scaled map
Circumscribing a Triangle
Projectiles Basketball B
Parallel lines - real life photo

Discover Topics

Geometry
Kite
Sequences and Series
Congruence
Unit Circle