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    Mathematics
    Coordinate-Geometry
    Easy

    Question

    The base of an equilateral  triangle with side 2a lies along the y- axis such that the midpoint of the base is at the origin if the centroid of the triangle lies on the  x-axis, coordinates of the vertex are

    1. (a,0)
    2. (-a,0)
    3. left parenthesis a square root of 3 comma 0 right parenthesis
    4. left parenthesis negative a square root of 3 comma 0 right parenthesis

    The correct answer is: left parenthesis a square root of 3 comma 0 right parenthesis

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