[tex]\textit{arc's length}\\\\ s = \cfrac{\theta \pi r}{180} ~~ \begin{cases} r=radius\\ \theta =\stackrel{degrees}{angle}\\[-0.5em] \hrulefill\\ r=8\\ \theta =35 \end{cases}\implies s=\cfrac{(35)\pi (8)}{180}\implies s=\cfrac{14\pi }{9}\implies \stackrel{using~\pi =3.14}{s\approx 4.88}[/tex]
