Mathematics, 22.11.2020 03:40, iilovejohnccena1022

Given A(2, 3), B(8, 7), C(6, 1), which coordinate will make line AB perpendicular to line CD? D(9, 3)
D(4, 4)
D(3, 3)
D(8, 4)

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Given A(2, 3), B(8, 7), C(6, 1), which coordinate will make line AB perpendicular to line CD? D(9,...