Question

solve this question neat and clean

Answer 1

Vertices of triangle=(-7.6),(8,5).
Centroid of triangle=(1,3)
x1+x2+x3/3=2
-7+8+x3/3=1
1+x3=3
x3=2
y1+y2+y3/3=3
6+5+y3/3=3
11+y3/3=3
11+y3=9
y3=-2
If the coordinate of third vertex is (2,4)
Then coordinates of centroid=-7+8+2/3,6+5+4/3
Centroid=3/3,15/3
Centroid=(1,5)