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Co - ordinate Geometry 2D Geometry
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Q.
The centroid of a triangle is (2,3) and two of its vertices are (5,6) and (–1,4). The third vertex of the triangle is
A.
(2,1)
B.
(2,-1)
C.
(1,2)
D.
(1,–2)
E.
None of the above
View Answer
Correct choice: B
Explanation:
Ans:
Third vertex C=3G–A–B=3(2,3)–(5,6)–(–1,4) = (2,–1)
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