Phil Todd uploaded a new app: A triangle from med… 8 years, 3 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?