The Centroid of a Triangle Lies at the Intersection of the Triangle's

Multiple Choice

The centroid of a triangle lies at the intersection of the triangle's medians, because it lies one-third of the way from each
side towards the opposite vertex. Use this result to find the centroid of the triangle whose vertices appear as following.
-(-9, 0) , (9, 0) , (0, 2)

A) $( 0,2 )$
B) $\left( 0 , \frac { 4 } { 3 } \right)$
C) $( 0,1 )$
D) $\left( 0 , \frac { 2 } { 3 } \right)$