Let `P`be a point interior to theacute triangle `A B Cdot`If `P A+P B+P C`is a null vector, thenw.r.t traingel `A B C ,`point `P`is itsa. centroid b. orthocentrec. incentre d. circumcentreA. centroidB. orthocentreC. incentreD. circumcentre

Let `P`be a point interior to theacute triangle `A B Cdot`If `P A+P B+

1.	Let `P`be a point interior to theacute triangle `A B Cdot`If `P A+P B+P C`is a null vector, thenw.r.t traingel `A B C ,`point `P`is itsa. centroid b. orthocentrec. incentre d. circumcentreA. centroidB. orthocentreC. incentreD. circumcentre
Answer» Correct Answer - a `veca - vecp + vecb - vecp + vecc -vecp =0` `or vecp = (veca + vecb + vecc)/3` Hence, P is centroid .

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Let `P`be a point interior to theacute triangle `A B Cdot`If `P A+P B+P C`is a null vector, thenw.r.t traingel `A B C ,`point `P`is itsa. centroid b. orthocentrec. incentre d. circumcentreA. centroidB. orthocentreC. incentreD. circumcentre

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