Question

please help me fast in this question

Answer 1

take a look at the process..there can be silly mistake while calculations..
hope it helps

Answer 2

Let a triangle ABC
with vertices A(2,1) B(5,2) C(3,4)
 formula for centroid of a triangle =$( \frac{ x_{1} + x_{2} + x_{3} }{3} , \frac{y _{1}+ y_{2} + y_{3} }{3} )$=$(\frac{2+5+3}{3} , \frac{1+2+4}{3}) = (\frac{10}{3} , \frac{7}{3} )$
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