Question
Thu February 02, 2012 By:

we know that the formula for centroid of a triangle is x1+x2+x3/3 .i could'nt find any problems based on centroid of a triangle , could you please provide an example sum along with the answer .

Expert Reply
Thu February 02, 2012
Find the third vertex of a triangle whose centroid is (1,4) and two vertices are (-1,4) and (3,-1).
Solution:

Let the third vertex be (x, y) Coordinates of the centroid are

x = 1
y = 9
The third vertex is (1,9)
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