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

Colouring of Venn Diagram
seo tool
Interactive Unit Circle - Exact Trig Values
Dividing a 3-digit number by a 1-digit number (2)
Mosaic

Discover Resources

Math Project
Fr Box Plots
Pt Task #3
Discover Rigid Motions
p2mm Symmetry

Discover Topics

Coordinates
Complex Numbers
Area
Pythagoras or Pythagorean Theorem
Angles