Conic sections

Download Cabri 3D Plugin.

This interactive diagram allows you to manipulate a plane to get any conic section from a cone.

It's hard to describe the position of a plane. In this diagram, you can change the plane in three ways:

See if you can get all three kinds of conic section: ellipse, hyperbola, parabola.

How is the direction of the plane (such as parallel to a tangent to the cone) related to the type of curve you get?

How to manipulate a Cabri3D diagram

HTML export by Cabri 3D