## Geometry: Common Core (15th Edition)

144.5 $cm^{2}$
We use the formula for the area of a trapezoid to obtain: A=$\frac{1}{2}$h($b_{1}$+$b_{2}$) A=$\frac{1}{2}$(8.5)(24.3+9.7) A=$\frac{1}{2}$(8.5)(34) A=144.5