Three friends are playing football in the triangular field. At which point they throw the ball then the position of a ball become centroid of the field. If coordinates of the corner of the field are (3, 1), (2, 3) and (-2, 2), than find the coordinate of centroid.
1
(4, 5)
2
(1, 2)
3
(5, 7)
4
(2, 4)