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Mathematics, 08.03.2021 03:00 icemaniac

D, E, and F are on sides BC, AC, and AB, respectively, of Triangle ABC such that DE║AB, DF║AC, and BC║EF. Prove that D, E, and F are the midpoints of the sides of Triangle ABC.

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D, E, and F are on sides BC, AC, and AB, respectively, of Triangle ABC such that DE║AB, DF║AC, and B...
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