[tex]\begin{gathered} \text{Base}\Rightarrow15\text{ f}eet \\ \text{height}\Rightarrow9.5\text{ fe}et \\ \text{The formula of area of triangle is as follows:} \\ A=\frac{1}{2}\times Base\times height \\ A=\frac{1}{2}\times15\times9.5 \\ A=71.25ft^2 \end{gathered}[/tex]
