Answer
$251.2$ meters
Work Step by Step
$$C = 2 \pi r$$
$r = 80 \div 2 = 40$
$C = 2 \times 3.14 \times 40 = 251.2$ m
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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 361: 66
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