Question

If a vertex of a triangle is (1, 1) and the mid points of two sides through this vertex are (–1, 2) and (3, 2) then the centroid of the triangle is
(a) $\bigg \lgroup -1,\frac{7}{3}\bigg \rgroup$(b) $\bigg \lgroup \frac{-7}{3},\frac{7}{3}\bigg \rgroup$(c) $\bigg \lgroup 1,\frac{7}{3}\bigg \rgroup$(d) $\bigg \lgroup \frac{1}{3},\frac{7}{3}\bigg \rgroup$

Answer 1

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