Question 1202e

Vectors I: Basics, Dot and Cross Products

Area of Triangles and Parallelograms

Question

Given the points

{A \left( 1, - 2, 2 \right)}

and

{B \left( - 1, 1, - 1 \right),}

what is area of the parallelogram formed by

{OA}

and

{OB?}

{\textrm{Area } =}