1.

The co-ordinates of the centroid of a triangle ABC are (-1, 4). What are the co-ordinates of vertex C if co-ordinates of A and B are (-3, -1) and (3 , 5) respectively?

A. (-3, 8)
B. (3, 8)
C. (-3, -8)
D. (3, -8)
Answer» B. (3, 8)


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