Thinking Mathematically (6th Edition)

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: 7

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).
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