Find the radius of the circle in which a central angle of \( 45^{\circ} \) makes an arc of lengt...

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Find the radius of the circle in which a central angle of \( 45^{\circ} \) makes an arc of length \( 187 \mathrm{~cm} \).
\[
\text { (use } \left.\pi=\frac{22}{7}\right)
\]
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