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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
Options
A.
B.
C.
D.
Solution
Vertex of triangle is (1, 1) and midpoint of sides
through this vertex is (-1, 2) and (3, 2)
⇒ vertex B and C come out to be
(-3, 3) and (5, 3)
∴ centroid is
⇒ (1, 7/3)
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