Q. 1

# Find the centroid

Answer :

(i) (1, 4), (-1, -1), (3, -2) We know that centroid of a triangle for the vertices (x1 , y1), (x2 , y2) and (x3 , y3) is

G(x, y) = ( , )

For coordinates (1, 4), (-1, -1), (3, -2),

Centroid of triangle = , )

= ( 1, )

Hence, centroid of triangle is ( 1, )

(ii) (- 2, 3), (2, -1), (4, 0) We know that centroid of a triangle for (x1 , y1), (x2 , y2) and (x3 , y3) is

G(x, y) = ( , )

For coordinates (- 2, 3), (2, -1), (4, 0)

Centroid of triangle = , )

= ( , )

Hence, centroid of triangle is ( , )

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