a proof of pythagorean theorem...

Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and activated. (click here to install Java now)


dimitris poimenidis  www.sonom.gr , 30 April 2008 , applet created with  Geogebra  (animation by  Hans-Peter Ulven )