Respuesta :

[tex]\begin{gathered} By\text{ formula,} \\ \text{Length of Arc=}\frac{\theta}{360}\times2\pi r\text{ , where r=}\frac{22}{7} \\ \text{ = }\frac{60}{360}\times2\times\frac{22}{7}\times9\text{ } \\ \text{ = 9.4286} \end{gathered}[/tex]

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