Answer
$\dfrac{1}{4}$
Work Step by Step
The ratios of the areas can be computed as:
$\dfrac{A_1}{A_2}=(\dfrac{3}{6})^2\\ \dfrac{A_1}{A_2}=\dfrac{9}{36}$
This implies that
$ \dfrac{A_1}{A_2}=\dfrac{1}{4}$
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