Answer
$r*\sqrt{\pi} = {\sqrt A}/{2\pi}$
Work Step by Step
$r = \frac{\sqrt A}{\sqrt{4\pi}}$
$r = \frac{\sqrt A}{2\sqrt{\pi}}$
$r*\sqrt{\pi} = \frac{\sqrt A}{2\sqrt{\pi}}*\sqrt{\pi}$
$r*\sqrt{\pi} = {\sqrt A}/{2\pi}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.5 - Rationalizing Numerators and Denominators of Radical Expressions - Exercise Set - Page 719: 79
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