Respuesta :

Using the formula of the arc length, we have:

[tex]\begin{gathered} s=r\cdot\theta \\ s=4\cdot(\frac{5\pi}{4})\text{ miles} \\ s=\frac{20\pi}{4}\text{ (Multiplying)} \\ s=5\pi\text{ (Dividing)} \\ \text{The answer is 5}\pi \end{gathered}[/tex]

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