I have been stuck with this one, and i would like to how to solve this.

In each case, determine whether line AB is parallel or perpendicular to CD.

(a) A (0, 0), B (0, 1), C (0, 0), D (1, 0).

(b) A (0, 1), B (2, 3), C (4, 5), D (6, 7).

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22 November, 00:25

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Kathy Moss · Answer 1

A) AB is parallel CD from graphic;

b) m AB = (3-1) / (2-0) = > m AB = 1; m CD = (7-5) / (6-4) = > m CD = 1 = > m AB = m CD = > AB is parallel CD;

I have been stuck with this one, and i would like to how to solve this.In each case, determine whether line AB is parallel or perpendicular to CD.(a) A (0, 0), B (0, 1), C (0, 0), D (1, 0).(b) A (0, 1), B (2, 3), C (4, 5), D (6, 7).