Ellipse Normal Length

Drag point T on the ellipse. The length of the normal contained within the ellipse is then plotted as a locus against the x-coordinate of T in the 2nd Graphics Window.

Drag points A, B and C to alter the shape and orientation of the ellipse

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

Created with GeoGebra