If A(3,-5) ,B(10,-2) ,C(x,y) forms a triangle and G(2,-1) is it centroid find the coordinates of C??

Answers (1)

we know ,

                     x=frac_x1+x2+x33 , y=fracy1+y2=y33

       

                                    Rightarrow 2=frac10+3+x3Rightarrow 6-13=xRightarrow x=-7                                                         Rightarrow        -1=frac-2-5+y3Rightarrow -3+7=yRightarrow y=4                  

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