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Mathematics, 24.10.2020 14:00 kirkhester1

Show that the four points A(-2 3) B(6 7) C(8 3) and D(0 -1) are the vertices of a rectangle

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Show that the four points A(-2 3) B(6 7) C(8 3) and D(0 -1) are the vertices of a rectangle...
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