Answer
$12.1 \ cm$
Work Step by Step
Since the area of a circle is $A=r^2\pi$, then we have
$$
A=r^2\pi=462 \Longrightarrow r=\sqrt{\frac{462}{\pi}} =12.127 \ cm\approx 12.1~cm
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 12 - Review - Page 444: 20
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.
