JEE Main & Advanced
Mathematics
Rectangular Cartesian Coordinates
Question Bank
Points related to triangle (Orthocente Circumcentre Incentre), Area of some geometrical figures Collinearity
question_answer
If \[A(4,-3)\], \[B(3,-2)\]and\[C\,(2,\text{ }8)\]are the vertices of a triangle, then its centroid will be [RPET 1984, 86]
A)(-3, 3)
B)(3, 3)
C)(3, 1)
D)(1, 3)
Correct Answer:
C
Solution :
Let centroid is (x, y), then \[x=\frac{4+3+2}{3}=3\] and\[y=\frac{-3-2+8}{3}=1\].