[tex]\begin{gathered} aspect\text{ ration = }\frac{wing\text{ spam }}{length}=\frac{7}{1} \\ solving\text{ length} \\ \text{length =}\frac{wing\text{ spam}}{7} \\ w\text{ing spam = }40ft \\ \text{length =}\frac{\text{ }40ft}{7}=5.7ft \\ \text{area = }(40ft)\text{ (}5.7ft\text{)}=228ft^2 \\ \text{The area is }228ft^2 \end{gathered}[/tex]
