Consider the quadrilateral ABCD shown in the figure below, with E, F, G, and H as the midpoints of sides AB, BC, CD, and AD respectively. The intersection points of the lines AF, BG, CH, and DE define shaded regions with areas S,
S1, S2, S3, and S4 respectively.
Prove that S = S1 + S2 + S3 + S4.
Problem 176
Quadrilateral maze,
Midpoints and intersecting,
Proof awaits within.
Sketch and Design Typography for Problem 176 with iPad Apps!
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