The diagonals of a parallelogram are $2\,\hat i$ and $2\hat j.$What is the area of the parallelogram.........$units$
$0.5$
$1 $
$2$
$4$
The diagonals of a parallelogram are $2\,\hat i$ and $2\hat j.$What is the area of the parallelogram.........$units$
Area $ = \left| {\,2\hat i \times 2\hat j\,} \right|$$ = \left| {4\hat k} \right|$$ = 4\,\,unit.$