Answer
2$\pi$ r
Work Step by Step
The circumference, C, of a circle with radius r is given by the formula 2$\pi$ r. (This makes sense given our last answer, for d=2r).
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 10 - Geometry - 10.4 Area and Circumference - Concept and Vocabulary Check - Page 646: 7
Update this answer!
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.
