In the figure below, ABCD is a
quadrilateral with E, F, G, and H, midpoints of AB, BC, CD, and
AD respectively. Lines AF, BG, CH and DE determine the shaded
regions of areas S, S1,
S2, S3,
and S4.
Prove that S = S1
+
S2
+ S3
+
S4.
View or post a solution.
