JEE Main 2019 Mathematics question

MathematicsStraight LinesJEE Main 2019

A triangle has a vertex at (1, 2) and the mid points of the two sides through it are (−1, 1) and (2, 3). Then the centroid of this triangle is:

Answer: (A)

Solution

Other vertices (−3, 0) and (3, 4).

Question ID VK-010802