?

Free Version

Upgrade subject to access all content

Moderate

Find the Area of a Parallelogram

MVCALC-UEJXAL

Let $A=(1,1,1)$, let $B=(1,-2,1)$, and let $C=(2,2,3)$.

Let $AB$ and $AC$ be adjacent sides of a parallelogram $P$.

If the area of $P$ is $\sqrt{T}$, what is $T$?