Respuesta :

we have the following:

[tex]\begin{gathered} C=2\pi r \\ C=24 \\ 24=2\pi r \end{gathered}[/tex]

solving for r:

[tex]\begin{gathered} 2\pi r=24 \\ r=\frac{24}{2\pi} \end{gathered}[/tex]

therefore, the answer is B.

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