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Answer :

The cirfumference of a circle is:

[tex]C=2\pi *r[/tex]

Use the formula above and the given data to find the radius:

[tex]\begin{gathered} 47.1ft=2(3.14)*r \\ \\ r=\frac{47.1ft}{2(3.14)} \\ \\ r=7.5ft \end{gathered}[/tex]

Then, the radius of the circular painting is 7.5 feet

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