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Demonstrations 61 - 80 of 119
Multiple Planes through Surfaces
Dynamic Billiards in Ellipse
Cross Sections of Quadratic Surfaces
Hyperbolas, Lemniscates, and Cassini Ovals Generated by w = Sqrt(z)
Generating a Hyperboloid by Rotating a Line
Curves through Given Points in the Plane
Plane Sections of Surfaces
The Trammel of Archimedes
Which Quadric Is Which?
Conic Section as Bézier Curve
Triangle Area Bisectors
Dupin's Indicatrix of a Torus
Plane Sections of a Cone
Drawing an Oval with a String and Three Nails
Tangent Circles to Two Circles
Center of an Equilateral Triangle Circumscribing a Given Parabola
Centre d'un triangle équilatéral circonscrit à une parabole (French)
Ellipses and Hyperbolas with the Same Focal Points
Conic Sections: Equations and Graphs
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