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10th Class Mathematics Coordinate Geometry Question Bank Co-ordinate Geometry

  • question_answer
    Four vertices of a parallelogram taken in order are (- 3, -1), (a, b), (3, 3) and (4, 3). What will be the ratio of a to b?

    A)  \[4:1\]    

    B)  \[1:2\]            

    C)  \[1:3\]                          

    D)  \[3:1\]

    Correct Answer: A

    Solution :

    (a): Sum of x and y co-ordinates of opposite vertices in a parallelogram are same.                  


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