\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
Courses
About
Login
Register
The formula for the circumference (perimeter) of a circle is \(C = 2\pi r\).
Rearrange the formula to make \(r\) the subject.
Choose the correct answer:
\(r=2\pi C\)
\(2\pi r=C\)
\(r=\dfrac{C}{2\pi}\)
Exit