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Mathematics, 17.05.2021 06:30 aldaysein

Are the diagonals of the parallelogram perpendicular? A(2,2) B(4,-2) C(-1,-3) D(-7,3)
1) Yes
2) No

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Are the diagonals of the parallelogram perpendicular? A(2,2) B(4,-2) C(-1,-3) D(-7,3)
1) Yes...

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