Please give an.easy solution
ILLUSTRATION 1 Let ABC be a triangle having its centroid at G. If S is any point in the plane of the triangle, then S A + S B + S C =
(a) S G
(b) 2 S G
(c) 3 S G
(d) 0
Ans. (c)

Dear student

Assumption: Taking D to be the mid point of BCWe have,SA+SB+SC=SA+SB+SC    SA+SB+SC=SA+2SD        as  D to be the mid point of BCSA+SB+SC=1+2  SG    G divides AD in the ratio 2:1SA+SB+SC=3 SG 

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