• Phil Todd uploaded a new app: A triangle from med… 7 years, 9 months ago

    AD, BE and CF are medians of the triangle ABC.

    Triangle GHI has GH=BE, HI=CF and GI=AD.

    HL, IJ and GK are medians of GHI.

    What is the relationship between the length of these medians and the lengths of the sides of ABC?

    Can you prove this relationship geometrically?