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Gabylovesyou
Line BC contains points B (4, −5) and C (3, 2). Line DE contains points D (2, 0) and E (9, 1). Lines BC and DE are parallel perpendicular neither
@ganeshie8 I say its B ...
Well lets see slope of BC is -1/7 Slope of DE = 7 so yes indeed they are perpendicular :)