How do you find the centroid of the coordinates D(-3, 8), E(-3, 0) and F(9, 4). What are the steps?

D(-3, 8), E(-3, 0), F(9, 4).

1. Find the mean of the X-coordinates:

X = ( -3 + (-3) + 9) / 3 = 1.

2. Find the mean of the Y-coordinates:

Y = (8 + 0 + 4) / 3 = 4.

3. Centroid = (X, Y) = (1, 4).