C-11-Q044: The area of $\triangle ABC$ with $A(2,5)$, $B(-1,1)$, $C(2,1)$ is —

C-11-Q044: The area of $\triangle ABC$ with $A(2,5)$, $B(-1,1)$, $C(2,1)$ is — | প্রশ্ন করি

The area of △ABC\triangle ABC△ABC with A(2,5)A(2,5)A(2,5), B(−1,1)B(-1,1)B(−1,1), C(2,1)C(2,1)C(2,1) is —