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  5. Coordinate Geometry

10th Class Mathematics Coordinate Geometry Question Bank Case Based MCQs - Coordinate Geometry

  • question_answer
    The value of x is equal to

    A) 4

    B) 5

    C) 8

    D) 9

    Correct Answer: D

    Solution :

    As we have \[PQ=13\,km\]
     \[PQ=\sqrt{{{\left( 15-3 \right)}^{2}}+{{\left( x-4 \right)}^{2}}}\]
     \[169=144+{{\left( x-4 \right)}^{2}}\]
     \[{{\left( x-4 \right)}^{2}}=25\]
     \[x-4=5\]
     \[x=9\]
     


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