# C=2(pi)r Solve for r?

How do you do this? C=2(pi)r. How would you solve for r? Thanks!

### 8 Answers

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- MoonRoseLv 71 decade agoBest Answer
C = 2pi*r (divide both sides by 2pi)

C/2pi = r

r = C / 2pi <===ANSWER

- RoseLv 44 years ago
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C=2(pi)R Devide both sides by 2(pi) C/(2(pi)) =R

- 4 years ago
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RE:

C=2(pi)r Solve for r?

How do you do this? C=2(pi)r. How would you solve for r? Thanks!

Source(s): 2 pi solve r: https://tr.im/Hx8xp - How do you think about the answers? You can sign in to vote the answer.
- Anonymous1 decade ago
well you are trying to isolate for r so then you would divide 2pi to the other side and you would get

c/2pi=r

Source(s): student - Anonymous1 decade ago
r = 2(pi) over C

or 2(pi)/C

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