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area of trapezoid (2017 Adygea Teachers' Geometry Olympiad p1 RU)

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June 21, 2020
geometrytrapezoidarea

Problem Statement

Find the area of the MNRKMNRK trapezoid with the lateral side RK=3RK = 3 if the distances from the vertices MM and NN to the line RKRK are 55 and 77, respectively.
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