Dandelin's theorem in stereo

Topic:Cone

* 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

Floch, fractal, iteration, custom tool.
Function Art 3D - Pawn
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Silhouettes without gaps and isolated
Domino Chain Reaction

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Ellipse: Reflective Property
sinc4
變色12面體內3個長方形
Sketch first derivative
Eurler's line

Discover Topics

Rhombus
Volume
Perimeter
Linear Functions
Interest Calculation