Posted by steffi on Wednesday, July 20, 2011 at 10:37am.
The points A(3;1), B(1;2) and C(2;3) in a cartesian plane are given.
If CD is parallel to AD with D(t/3;t+1) determine the value of t

geometry  bobpursley, Wednesday, July 20, 2011 at 10:43am
slope of cd=slopeof ad
(3(t+1))/(2t/3) = (1(t+1))/(3t/3)
check that, solve for t.

geometry  M, Thursday, July 21, 2011 at 10:13pm
If CD is parallel to AD, then CD meets AD at D. But parallel lines never meet!
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