Question

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$\frac{3 \times 3}{ \frac{ \sqrt{2} }{2} }$
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Answer 1

$\frac{3 \times 3}{ \frac{ \sqrt{2} }{2} } = \frac{9}{ \frac{ \sqrt{2} }{2} } = 9 \div \frac{ \sqrt{2} }{2} = 9 \times \frac{2}{ \sqrt{2} } = \frac{18}{ \sqrt{2} } = \frac{18 \sqrt{2} }{ \sqrt{2} \times \sqrt{2} } = \frac{18 \sqrt{2} }{2} = 9 \sqrt{2}$