MCQ
The points $A(-4,-1), \,B (-2,-4),\, C(4,0)$ and $D(2,3)$ are the vertices of
  • A
    Parallelogram
  • Rectangle
  • C
    Rhombus
  • D
    None of these

Answer

Correct option: B.
Rectangle
b
(b) Mid-points of diagonals are same.

Also ${S_{AB}} = \frac{{ - 4 + 1}}{{ - 2 + 4}} = \frac{{ - 3}}{2},\,\,\,{S_{AD}} = \frac{{3 + 1}}{{2 + 4}} = \frac{2}{3}$

${S_{AB}}\,.\,{S_{AD}} = - 1.$ Hence it is a rectangle.

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