Maths-
General
Easy
Question
If a vertex of a 
is (1,1) and the midpoints of two sides through this vertex are (-1,2)(3,2) then centroid of the triangle is
The correct answer is:
D = E+F- A
= (-1+3-1,2+2-1)
D= (1,3)
Centroid of D ABC = centroid of D DEF
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