JAVA worksheet - ellipses
Use the 'a' slider to change the distance between A and B 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
Use the RUN/PAUSE button (bottom-left) to RUN the animation
Use the RESET button (top-right) to go back to START

Created with an older ( version of GeoGebra
(The megalomaniacs at GeoGebra HQ don't allow this anymore)