Question

C=2rπ for rI really need help

Answer 1

The given equation is

`C=2r\pi`

We just need to divide the equation by 2(pi).

`\begin{gathered} (C)/(2\pi)=(2r\pi)/(2\pi) \\ r=(C)/(2\pi) \end{gathered}`

Therefore, the answer is

`r=(C)/(2\pi)`