Geozeichner – Figuren in 2D zeichnen – Matheretter https://www.matheretter.de/rechner/geozeichner?draw=polygon%28-3%7C0+-1%7C-2+3%7C0+-1%7C2%29%7BFC5%7D%7B0.7%7D%0Astrecke%28-3%7C0+-1%7C-2+3%7C0+-1%7C2%29%7B33F%7D%0Astrecke%28-1%7C-2+3%7C0%29%7BF35%7D%0Astrecke%283%7C0+-1%7C2%29%7BF35%7D%0Astrecke%28-1%7C2+-3%7C0+%29%7B33F%7D%0Atext%28-3.3%7C0+%22A%22%29%0Atext%28-0.9%7C-2.1+%22B%22%29%0Atext%283.1%7C0+%22C%22%29%0Atext%28-0.9%7C2.1+%22D%22%29%0Astrecke%28-1%7C-2+-1%7C2%29%7B155%7D%7B0.5%7D%0Astrecke%28-3%7C0+3%7C0%29%7B155%7D%7B0.5%7D%0Atext%28-2.2%7C-1.1+%22a%22%29%7B33F%7D%0Atext%281.0%7C-1.2+%22b%22%29%7BF35%7D%0Atext%281.0%7C1.2+%22c%22%29%7BF35%7D%0Atext%28-2.2%7C1.1+%22d%22%29%7B33F%7D%0Atext%282.2%7C2.1+%22a+%3D+d%22%29%7B33F%7D%7B1%7D%0Atext%282.2%7C1.85+%22b+%3D+c%22%29%7BF35%7D%7B1%7D&scale=3&coord=0&alpha=0.9
Zeichnet folgende Figuren der Geometrie in 2D: Polygone (Quadrat, Rechteck, Dreieck, Viereck
Der Schwerpunkt (also das Zentrum des Vierecks) würde bei S(-0,50|-0,50) liegen.
