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Recent Additions
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Problem 433: Quadrilateral, Triangle, Area, Proportion, Measurement,
Similarity
The figure shows a quadrilateral ABCD
with
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Recent Additions
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Problem 433: Quadrilateral, Triangle, Area, Proportion, Measurement,
Similarity
The figure shows a quadrilateral ABCD
with
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If S, S1, and S2 are the areas of
triangles CED, BCF, and ADF, prove that S = S1 + S2.