Problem 178.
Quadrilateral, Trisection of sides, Area.
In the figure below, ABCD is a
quadrilateral of area S with the points E, F, G, H, M, N, P, and Q trisecting the sides. Lines
EN, FM, GQ and HP determine the shaded
quadrilateral of area S1.
Prove that S1
= S/9.
Post a comment or solution.