Problem 151. Quadrilateral,
Area, Trisection of Sides.
In the figure below, ABCD is a
quadrilateral of area S. E, F, G, M, N, P, and Q trisect the sides. If S1,
S2, S3, and S4 are the areas of
the shaded quadrilaterals, prove
that:
.
Post your
comments or solutions in the
blog.
.
