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प्रश्न
Find the centroid of a triangle whose vertices are (3, -5), (-7, 4) and ( 10, -2).
उत्तर
Let O be he centroid of Δ ABC
Coordinates of O are
O (x , y , z) = O `(( 3 + 10 - 7)/3 , (- 5 + 4 - 2)/3)`
= O (2 , -1)
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