### Home > PC3 > Chapter 11 > Lesson 11.1.4 > Problem11-71

11-71.

Compute the area of a parallelogram defined by the vectors $⟨1, 10⟩$ and $⟨−2, −6⟩$.

The formula for computing the area of a parallelogram defined by vectors ⟨a, b⟩ and ⟨c, d⟩ is: $\pm\begin{vmatrix}a&b\\c&d\end{vmatrix}$