The area of a parallelogram with vertices $$(x_1, y_1)$$, $$(x_2, y_2)$$, $$(x_3, y_3)$$, and $$(x_4, y_4)$$ can be found by considering two adjacent vectors. Let's choose vectors $\vec{AB}$ and $\vec{AD}$.
The coordinates of the vertices are:
$$A = (-6, 2)$$
$$B
Show more…