#### Answer

21 $units^{2}$

#### Work Step by Step

Count the units between A and D to find $b_{1}$
Count the units between F and J to find $b_{2}$
Count the units from point C to point J to find the height.
A=$\frac{1}{2}$h($b_{1}+b_{2}$)
A=$\frac{1}{2}$(3)(9+5)
A=$\frac{1}{2}$(3)(14)
A=21