The points \[A(5,\,-1,\,\,1)\]; \[B\,(7,-4,\,7);\] \[C(1,\,-6,\,10)\] and \[D(-1,-3,\,4)\] are vertices of a [RPET 2000]

The points \[A(5,\,-1,\,\,1)\]; \[B\,(7,-4,\,7);\] \[C(1,\,-6,\,10)\]

1.	The points \[A(5,\,-1,\,\,1)\]; \[B\,(7,-4,\,7);\] \[C(1,\,-6,\,10)\] and \[D(-1,-3,\,4)\] are vertices of a [RPET 2000]
A.	Square
B.	Rhombus
C.	Rectangle
D.	None of these
Answer» C. Rectangle

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The points \[A(5,\,-1,\,\,1)\]; \[B\,(7,-4,\,7);\] \[C(1,\,-6,\,10)\] and \[D(-1,-3,\,4)\] are vertices of a [RPET 2000]

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