Question

Find the area of a triangle formed by the points (0,0) (0,2)(2,0)

Answer 1

$\frac{1}{2} (0(2 - 0) + 0(0 - 0) + 2(0 - 2) \\ = > \frac{1}{2} (0 + 0 - 4) \\ = > \frac{1}{2} ( - 4) \\ = > - 2$
but area cannot be negative. So, the result is 2 sq. unit
Thank you