Respuesta :

[tex]\textit{arc's length}\\\\ s=r\theta ~~ \begin{cases} r=radius\\ \theta =\stackrel{radians}{angle}\\[-0.5em] \hrulefill\\ r=6\\ s=8 \end{cases}\implies 8=6\theta \implies \cfrac{8}{6}=\theta \implies \stackrel{rad}{\cfrac{4}{3}}=\theta[/tex]

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