Respuesta :

The area of the triangle can be determined as,

[tex]\begin{gathered} A=\frac{1}{2}\times9\frac{1}{3}ft\times12\text{ ft} \\ A=\frac{1}{2}\times\frac{28}{3}ft\times12ft \\ A=56ft^2 \end{gathered}[/tex]

Thus, option (D) is the correct solution.