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Three vertices of a parallelogram are A(1, 1), B(5, 1) and C(7, 4), with the sides AB and DC horizontal. D is obtained by translating C the same way A is obtained from B.
What are the coordinates of D?

Class 9Plotting PointsCoordinate Geometry
  • A(3, 4)
  • B(2, 4)
  • C(11, 4)
  • D(3, 1)

Step-by-Step Solution

Going from B(5,1) to A(1,1) shifts by -4. Apply the same shift to C(7,4): .
Answer: A) (3, 4)

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