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40 If G is the centroid of tr ABC, prove that GA+GB +GC =0. further if G1 be the centroid of the another triangle PQR, show that AP+BQ +CR =3GG1 |
| Answer» 40 If G is the centroid of tr ABC, prove that GA+GB +GC =0. further if G1 be the centroid of the another triangle PQR, show that AP+BQ +CR =3GG1 | |