Question

find the coordinates of the third vertex of a triangle whose two vertices and centroid are (0,0),(5,6) and (0, 3) respectively

Answer 1

$x = \frac{x1 + x2 + x3}{3} \\ 0 = \frac{0 + 5 + x3}{3 } \\ x3= - 5 \\ y = \frac{y1 + y2 + y3}{3} \\ 3 = \frac{0 + 6 + y3}{3} \\ y3 = 9 - 6 = 3 \\ x3 = - 5 \: \: \: \: \: y3 = 3$

Answer 2

Step-by-step explanation:

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