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7 ? Find the arc length of the partial circle. Either enter an exact answer in terms of or use 3.14 for 7 and enter your answer as a decimal.

User Ntroncos
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The arc length is given by:


\begin{gathered} L=r\theta \\ \text{Where:} \\ r=radius=7 \\ \theta=\text{angle (in radians)}=(\pi)/(2) \\ L=(7\pi)/(2)\approx10.99557429 \end{gathered}

User Haomin
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