Dandelin's theorem

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

分數化百分數：練習
Limaçons
Translation of the Graph of a Function
רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

Discover Resources

Variazione della Cissoide di Diocle
Isosceles trapezoid, trapezoid, rectangle, and parallelogram
Start, 45 degree angle
curvature error
Dots, figures, layout and space
Angle at the centre theorem

Discover Topics

Derivative
Cylinder
Confidence Interval
Triangles
Line Segment