## Geometry: Common Core (15th Edition)

21 $units^{2}$
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