Question

A (4,8), B(-2, 6) are two vertices of a triangle ABC. Find the coordinates of C if the centroid of the triangle is (2, 7).

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Answer 1

Answer:

3x1+x2+x3=23y1+y2+y=7and,(x1,y1)≡(4,8)(x2,y2)≡(−2,6)So,x1+x2=+2Now,x1+x2+x3=2×31+x2=6x3=4and,3y1+y2+y3=7y1+y2+y3=21y1+y