If the area of the quadrilateral ABCD whose vertices are A(1, 1), B(7, -3),
Channel: Doubtnut
Date: 2020-05-24

If the area of the quadrilateral ABCD whose vertices are A(1, 1), B(7, -3), C(12, 2) and D(7, 21) is `Delta`. Find the sum of the digits of `Delta`.