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 ?

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Prism Drawn in 1-Point Perspective
Circle Passing Through 3 Points
Reflection = 180° Rotation about a Line
Volume by Shells Around y
apec

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Reflection of Plane Wave
vennela's lab #4
Função Exponencial
การแยกตัวประกอบ
Circle and Dodecagon

Discover Topics

Cube
Quadrilaterals
Tangent Line or Tangent
Linear Functions
Polygons