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.
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Sketch and Typography of problem 176 using iPad Apps
of a Triangle | Email |
by Antonio Gutierrez