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Find the centroid of a triangle, the mid...

Find the centroid of a triangle, the mid-point of whose sides are D(1, 2, -3), E(3, 0, 1) and F(-1, 1, -4).

Text Solution

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The correct Answer is:
(1, 1, -2)
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Obtain the area of the triangle whose midpoints of the sides are (1, 2, -3), (3, 0, 1) and (-1, 1, -4) respectively.

If the mid-points of the sides of a triangle AB, BC, CA are D(1, 2, -3), E(3, 0, 1) and F(-1, 1, -4), then the centriod of the triangle ABC is ____ .

Knowledge Check

  • Centroid of the triangle with verticies P(1, -2, 1), Q(2, 3, -1) and R(1, -1, -1) is _____ .

    A
    (1, 2, 1)
    B
    `(4/3,0,-1/3)`
    C
    `(3/2,1/2,0)`
    D
    `(-4/3,-4/3,-1/3)`

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