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

  • question_answer
    The coordinates of the third vertex of an equilateral triangle whose two vertices are at (3, 4) (- 2, 3) are______.

    A)  \[(1,7)\]

    B)  \[(5,1)\]

    C)  \[\left( \frac{1+\sqrt{3}}{2},\frac{7-5\sqrt{3}}{2} \right)\] or \[\left( \frac{1-\sqrt{3}}{2},\frac{7+5\sqrt{3}}{2} \right)\]

    D)  \[(-5,5)\]

    Correct Answer: C

    Solution :

    (c): Apply distance formula.


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