Geogebra geometric figure

  • Download Geogebra Classique 5:

    Draw easily the figure, just by copy/paste of 2 lines data from the Eratos Google spreadsheet

    Download and open one of the 3 model files: Download Zip File

    Table NN (for 2 shadows towards the north)

    Table NS (for one shadow towards the north and  one shadow towards the south)

    Table SS (for 2 shadows towards the south)