Question

find the centriod of the triangle whose vertices are (4,-3),(-9,7) and(3,13)​

Answer 1

Answer:

Let the ΔABC with vertices A=(x1,y1)=(4,−8),B=(x2,y2) =(−9,7) 

and C=(x3,y3)=(8,13)

∴ its centroid G=(x1+x2+x3)/,(y1+y2+y3)/3=(4−9+8)/3−(8+7+13) /3

∴G=(1,4)