Respuesta :

Answer: (4, 2)

Step-by-step explanation:

Centroid of the triangle  =  (x1 +x2 + x3)/3, (y1+y2+y3)/3

 =  (8+1+3)/3, (4+3-1)/3

 =  12/3, 6/3

 =  (4, 2)