Question

Determine the coordinates of the centroid of a triangle whose vertices are (-1,-3),(2,1),(8,-4)

Answer 1

let the (X,Y) b the centroid

$x = \frac{ - 1 + 2 + 8}{3} \\ x = \frac{9}{3} \\ x = 3$

$y = \frac{ - 3 + 1 - 4}{3 } \\ y = \frac{ - 6}{3} \\ y = - 2$

(3,-2) is the centroid .

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