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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