Respuesta :

[tex]\bf \textit{area of a circle}\\\\ A=\pi r^2\qquad \begin{cases} r=radius\\ ------\\ A=113.04 \end{cases}\implies 113.04=\pi r^2 \\\\\\ \cfrac{113.04}{\pi }=r^2\implies \sqrt{\cfrac{113.04}{\pi }}=r[/tex]