Respuesta :

[tex]\begin{gathered} A=\frac{bh}{2} \\ b=5.3ft \\ h=4.2ft \\ A=\frac{(5.3ft)(4.2ft)}{2} \\ A=11.\text{1 ft}^2 \\ The\text{ area is 11.1 ft}^2 \end{gathered}[/tex]