GEOMETRIA Pi Teorema de Pitàgores Triangles: Circumcentre Triangles: Incentre Triangles: Ortocentre Triangles: Baricentre Triangles: Recta d'Euler Triangles: Exicentres Triangles: Triangle òrtic Rectangle auri Fibonacci Isometries: Translacions Isometries: Simetries Isometries: Girs RECTANGLE AURI Rectangle auri Un rectangle auri cumpleix la següent propietat: si li tallem un quadrat de costats l'altura del rectangle obtenim un rectangle semblant a l'anterior Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now) Espiral de Durero Els rectangles de l'espiral de Durero són auris Sorry, the GeoGebra Applet could not be started. Please make sure that Java 1.4.2 (or later) is installed and active in your browser (Click here to install Java now)