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The radius of a circle is 9. Using ?, which equation expresses the ratio of the circumference of the circle to the circle's diameter?
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The radius of a circle is 9. Using ?, which equation expresses the ratio of the circumference of the circle to the circle's diameter?

User Sanae
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1 Answer

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(3.14*x^2)

(3.14*9*2= 56.52)

User Arleta
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