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The circumference of a circular painting is 25.12 feet. What is the radius of the painting? Use 3.14 for A and do not round your answer.

User Freeall
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Step-by-step explanation:

The formula of the circumference of a circle is:


C=2\pi r

We have C = 25.12 ft and we have to use 3.14 for pi. Replacing and solving for r:


\begin{gathered} 25.12=2\cdot3.14\cdot r \\ r=(25.12)/(2\cdot3.14) \\ r=(25.12)/(6.28) \\ r=4 \end{gathered}

Answer:

r = 4 feet

User ITukker
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