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Question


The centroid of a triangle whose vertices are (0,3,5), (1,4,-2) and (2,-1,3) is ___.


Options:
A .   (1,2,2)
B .   (0,4,3)
C .   (2,1,3)
D .   (3,6,6)
Answer: Option A
:
A

Let C(x,y,z) be the centroid of the triangle whose vertices are (0,3,5), (1,4,-2) and (2,-1,3)


x=0+1+23=33=1y=3+413=63=2z=52+32=63=2


The centroid of the triangle is (1,2,2)



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