Answer
$4$ $to$ $1$
Work Step by Step
Area of a circle = $\pi r^{2}$
$A_{1}=\pi r_{1}^{2}=\pi (6x)^{2}=\pi * 36x^{2}$
$A_{2}=\pi r_{2}^{2}=\pi (3x)^{2}=\pi * 9x^{2}$
Ratio : $\frac{A_{1}}{A_{2}}= \frac{36x^{2}}{9x^{2}}=\frac{4}{1}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 11 - Rational Expressions and Functions - 11-1 Simplifying Rational Expressions - Practice and Problem-Solving Exercises - Page 668: 46
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