[tex]\begin{gathered} \text{The area of the square is}\Rightarrow24\times24=576ft^2 \\ \text{Area of one circle is}\Rightarrow\frac{\pi}{4}\times d^2 \\ \text{Area of 4 circle is}\Rightarrow4\times\frac{\pi}{4}\times d^2 \\ \Rightarrow\pi\times d^2=3.14\times12^2=452.16ft^2 \\ \text{Area of shaded region is,} \\ \Rightarrow576-452.16=123.84ft^2 \end{gathered}[/tex]
