Vectors and form two adjacent sides of a triangle

MATHEMATICS · Subjective · CBSE · Mathematics · Vector Algebra · Vector Algebra

Problem

Vectors

\vec{p}=4\mathbf{i}+2\mathbf{j}+\mathbf{k}

and

\vec{q}=-\mathbf{i}+3\mathbf{j}+2\mathbf{k}

form two adjacent sides of a triangle. Calculate the area of the triangle (in square units).