1.

The points P(3, 2, 4), Q(4, 5, 2), R(5, 8, 0) and S(2 -1, 6) are

A. vertices of a rhombus which is not a square
B. non-coplanar
C. collinear
D. coplanar but not collinear
Answer» D. coplanar but not collinear


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