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

  • question_answer
    Point A is on the Y-axis at a distance of 4 units from origin. If coordinates of point B are \[(-3,0),\] the length of \[AB\] is: (CBSE 20I3)

    A) \[\text{7 units}\]

    B) \[\text{5 units}\]

    C) \[\text{49 units}\]

    D) \[\text{25}\,\text{units}\]

    Correct Answer: B

    Solution :

    [b] Coordinates of A are \[(0,4)\]
    \[\therefore \,\,\,\,\,AB=\sqrt{[0-{{(-3)}^{2}}]+{{(4-0)}^{2}}}=\sqrt{9+16}=5\]units


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