asked 12.2k views
3 votes
The radius of a circle is 9. Using ?, which equation expresses the ratio of the circumference of the circle to the circle's diameter?

asked
User Sanae
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8.9k points

1 Answer

1 vote


(3.14*x^2)

(3.14*9*2= 56.52)

answered
User Arleta
by
8.5k points

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