question_answer

The centroid of a triangle is (2, 7) and two of its vertices are (4, 8) and \[\left( -\,2,\text{ }6 \right)\]. The third vertex is

A)  (0, 0)               

B)  (4, 7)

C)  (7, 4)               

D)  (9, 4)

E)  None of these