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is the centroid

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is the centroid

by sanju09 » Mon Mar 12, 2012 2:35 am
In a triangle ABC, AB = AC, and the coordinates of points B and C are (3, 6) and (7, 12), respectively. If G is the centroid of the triangle ABC, which lies on the line x - y = 1, then what are the coordinates of G?
(A) (7, 8)
(B) (8, 7)
(C) (6, 7)
(D) (7, 6)
(E) (-8, -7)
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by killer1387 » Mon Mar 12, 2012 3:02 am
sanju09 wrote:In a triangle ABC, AB = AC, and the coordinates of points B and C are (3, 6) and (7, 12), respectively. If G is the centroid of the triangle ABC, which lies on the line x - y = 1, then what are the coordinates of G?
(A) (7, 8)
(B) (8, 7)
(C) (6, 7)
(D) (7, 6)
(E) (-8, -7)
IMO b
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