# How do you multiply  1/4 * sqrt(72)?

$\sqrt{72} = \sqrt{9.4 .2}$
$\sqrt{9.4 .2} = 3.2 \sqrt{2} = 6 \sqrt{2}$
$\frac{1}{4} \cdot \sqrt{72} = \frac{1}{4} . 6 \sqrt{2}$
$\frac{1}{4} . 6 \sqrt{2} = \frac{3 \sqrt{2}}{2}$