In A B C , the coordinates of B are (...

In ` A B C ,` the coordinates of `B` are `(0,0),A B=2,/_A B C=pi/3,` and the middle point of `B C` has coordinates `(2,0)dot` The centroid o the triangle is `(1/2,(sqrt(3))/2)` (b) `(5/3,1/(sqrt(3)))` `(4+(sqrt(3))/3,1/3)` (d) none of these

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