Question

Find the co-ordinates of the centroid of a triangle ABC whose vertices are: A(–1, 3), B(1, –1) and C(5, 1).

Answer 1

Co-ordinates of the centroid of triangle ABC are 

`((-1 + 1 + 5)/(3),(3 - 1 + 1)/(3))`

= `(5/3, 1)`