Answer
$r = \frac{1}{2} \times d$
Work Step by Step
To solve example 12, we need to use the equation radius = 1/2 x diameter (because the diameter is double the radius)
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.3 - Multiplying and Dividing Fractions - Vocabulary, Readiness & Video Check - Page 246: 11
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