Let the points of intersections of the lines , and are the mid points of the sides of a triangle ABC. Then the area of the triangle ABC is ______.
Answer: 6
Solution
Solving the lines in pairs gives the midpoints , and . These are the vertices of the medial triangle, whose area is The medial triangle has one quarter the area of , so the area of is .
JEE Main · 2021 · 01 Sep 2021 · Shift 2 · Integer answer