trisection of diagonal by perp. in # with 60^o (2010 VWO Flanders MO p3)
Source:
August 7, 2020
geometryparallelolgramratiotrisection
Problem Statement
A parallelogram with an angle of has as the longest side and a shortest side . Let's take the perpendiculars down from the vertices of the obtuse angles to the longest diagonal, then it is divided into three equal parts. Determine the ratio .