SSC CGL 17 Aug 2017 Shift 2 Paper

Question : 66 of 100

Marks: +1, -0

What are the co-ordinates of the centroid of a triangle, whose vertices are A (1,-5),B (4,0) and C(-2,2) ?

Solution:

According to the question.

Co-ordinates of the centroid of ΔABC

= ( {x_{1}+x_{2}+x_{3}}/{3}, {y_{1}+y_{2}+y_{3}}/{3} )

=\ (\ {1+4-2}/{3}, {-5+0+2}/{3} )

=({3}/{3}, {-3}/{3} )=(1,-1)

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