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`        If G and G` be hte centroid of the triangle ABC and triangle A`B`C` respectively then AA`+BB`+CC`=`
7 years ago

## Answers : (1)

147 Points
```										Dear palllavi
let O is the origin
then OG  =( OA +OB +OC)/3

and OG' = (OA' + OB ' OC')/3

subtract
OG -OG'=  ( OA +OB +OC)/3 - (OA' + OB ' OC')/3
GG'  = (AA' + BB' + CC')/3
AA`+BB`+CC`= 3GG'

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7 years ago
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