Copy of Dandelin's theorem

Author:Jefferson Peruzzo, 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

Silhouettes
apec
Science Park 1
Free fall
The Cosine Formula - Proof Without Words

Discover Resources

exo forum
Writing Equations to Represent Tables 007
การบวกจำนวนเต็ม
משולש חסום בריבוע
Area of a Circle - Wedge (Sector)

Discover Topics

Poisson Distribution
Statistical Characteristics
Tree Diagrams
Square
Straight Lines