Question:
The lines AB and CD are parallel to each other. Find the value of a in each of the cases.
(a) A (2, 3), B (4, 5) and C (4, 3), D (2, a)
(b) A (1, 2), B (3, 4) and C (-3, -2), D (a, 6)
(c) A (-1, -2), B (-5, -4) and C (1, 7), D (3, a)
(d) A (1, 1), B (a, 3) and C (-1, 4), D (2, 7)
^ Those are some of the questions I need help on.
Could you please give the fomulae and the explain the working out too?
2007-12-06
17:34:25
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3 answers
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asked by
Anonymous
in
Science & Mathematics
➔ Mathematics