Resposta :
Resposta:
[tex]\textsf{Leia abaixo}[/tex]
Explicação passo a passo:
[tex]\mathsf{l = \dfrac{\alpha .\pi .r}{180\textdegree}}[/tex]
[tex]\mathsf{l = \dfrac{120\textdegree .(3,14).8}{180\textdegree}}[/tex]
[tex]\mathsf{l = \dfrac{3.014,40}{180\textdegree}}[/tex]
[tex]\boxed{\boxed{\mathsf{l = 16,75\:m}}}[/tex]