If the area of the quadrilateral whose angular points taken in order are `(1, 2), (-5, 6), (7, -4)
Channel: Doubtnut
Date: 05/04/2020

If the area of the quadrilateral whose angular points taken in order are `(1, 2), (-5, 6), (7, -4) and (h, -2)` be zero, show that `h=3`.