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Two vertices of a triangle are A(2,1) and B(3,-2) . The third vertex C lies on the line y = x + 9 , the centroid of Triangle ABC lies on y-axis, find the Co-ordinate of C
Dear Ankit let C = (x , x + 9) Now centroid = (5 + x/3 , – 1 + x + 9/3) it lies on y coordinatehence 5 + x / 3 = 0 5 + x = 0x = – 5 hence y = 4 C : ( – 5, 4) regardsArun
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