Question

Find the coordinates of the centroid of triangle RST. SHOW YOUR WORK so I can see if the answer makes sense (no links)

Answer 1

Note the coordinates of each point: R(-4, 5), S(5, 1), T(2, -3).

The centroid is the point whose coordinates are the average of the coordinates of R, S, and T.

x-coordinate: (-4 + 5 + 2)/3 = 3/3 = 1

y-coordinate: (5 + 1 - 3)/3 = 3/3 = 1

So the centroid is (1, 1).