Answer
$C=\pi d$
Work Step by Step
We express the statement as an equation with the given variables:
$circumference=\pi*diameter$
$C=\pi d$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.