Mathematics, 22.06.2019 08:00 pr173418

Prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using parallelogram method one midpoint formula

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Prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using parallel...