Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 5 - Section 5.3 - Multiplying Decimals and Circumference of a Circle - Exercise Set - Page 360: 56

Answer

$C=2\times5.9\pi=11.8\pi\approx 11.8\times3.14=37.052$ square km.

Work Step by Step

The circumference of a circle can be calculated as: $C=2r\pi=d\pi$ where r is the radius and d is the diameter. Here: $r=5.9$ km $C=2\times5.9\pi=11.8\pi\approx 11.8\times3.14=37.052$ square km.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After 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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions