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The centroid of the triangle with vertices A(2, -3, 3), B(5, -3, -4) and C (2, -3, -2) is the point
A. (-3, 3, -1)
B. (3, -3, -1)
C. (3, 1, -3)
D. (-3, -1, -3)

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Correct Answer - B
Given vertices of triangle are A(2, -3, 3), B(5, -3, -4) and C(2, -3, -2)
Centroid `=((x_(1)+x_(2)+x_(3))/3, (y_(1)+y_(2)+y_(3))/3, (z_(1)+z_(2)+z_(3))/3)`
`=((2+5+2)/3, (-3-3-3)/3, (3-4-2)/3)`
`=(3, -3, -1)`

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