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Origin is the centroid of a triangle ABC. If A =(4, –3) and B = (–5, 2), then find the coordinates of C. |
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Answer» Suppose C = (x,y) Then (0,0) = (4 - 5 + x/3, -3 + 2 + y) ⇒ 4 - 5 + x/3 = 0 and -3 + 2 + y/3 = 0 ⇒ x = 1, y = 1 So the coordinates of C are (1,1). |
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