(Q14) Find the centroid of the triangle whose vertices are (-4,6),(2,-2) and (2,5) respectively.
Answer
Give points (-4,6),(2,-2) and (2,5) the coordinates of the centroid
= (
x
1
+x
2
+x
3
3
,
y
1
+y
2
+y
3
3
)
= (
-
+
+
3
,
+(-
)+
3
)
= (
3
,
3
)
=(
,
)
The centroid is(
,
)
Clear