3-d

Question: The points (5, – 4, 2), (4, –3, 1), (7, – 6, 4) and (8, –7, 5) are the vertices of



1) A rectangle
2) A square
3) A parallelogram
4) None of these
Solution: Explanation: No Explanation
System of co-ordinates Direction cosines and direction ratios Projection

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