Posted by Rebecca on Saturday, April 9, 2011 at 6:17pm.
Verify that the vertices A(6.1),B(2,5),C(6,1) and D(2,4) are the vertices of a trapezoid. Does anyone know the steps to solve this? Thanks so much.

Grade 10 Math  Damon, Saturday, April 9, 2011 at 7:24pm
slope ab = 6/8 = 3/4
slope bc = 6/4 = 3/2
slope cd = 3/4 = 3/4
slope da = 3/8
note AB is parallel to CD

Grade 10 Math  Rebecca, Sunday, April 10, 2011 at 3:47pm
thanks so much?
could you please tell me the formulas you used to get those answers?

Grade 10 Math  Rebecca, Sunday, April 10, 2011 at 3:47pm
thanks so much!
could you please tell me the formulas you used to get those answers?
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