Let the points of intersections of the lines x-y+1=0, x-2 y+3=0 and 2 x-5 y+11=0 are the mid-points of the sides of a \\Delta\ABC. Then, the area of the \\Delta\ABC is [1 Sep 2021 Shift 2]

Straight Lines and Pair of Straight Lines Part 1

Section: Mathematics

Question : 7 of 100

Marks: +1, -0

Let the points of intersections of the lines x−y+1=0,x−2y+3=0 and 2x−5y+11=0 are the mid-points of the sides of a Δ‌ABC. Then, the area of the Δ‌ABC is

[1 Sep 2021 Shift 2]

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a1	b1	c1
a2	b2	c2
a3	b3	c3

1	−1	1
1	−2	3
2	−5	11