ABCDEF is a hexagon inscribed in a unit circle with AB = CD = EF = 1. Let X, Y, Z, be the midpoints of the other three sides (i.e., of BC, DE, and FA). Prove that XYZ is an equilateral triangle.
(In reply to Solution
I'm guessing but could the reference be to this?
Posted by broll
on 2013-08-25 07:55:30