Prove that the points A(1,3,0), B(-5,5,2) C(-9,-1,2) and D(-3,-3,0) are the vertices of a parallelogram. Also show that ABCD is not a rectangle.
Asked by Topperlearning User | 20th Feb, 2015, 10:26: AM
Answered by | 20th Feb, 2015, 12:26: PM
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