In the figure below, circles A and B are tangent externally. CD and EF are the common external tangents. Lines AD, AF, BC, and BE determine the shaded regions of areas S, S1, and S2, (1) Prove that S1 = S2, (2) S = S1 + S2.
Geometric art is a form of art based on the use and application of geometric figures. A geometric figure is any set or combination of points, lines, surfaces and solids.
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Original problem 180.