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What is tha square root of 54?

1 Answer

Jun 16, 2018

$\sqrt{54} = 3 \sqrt{6} xxx$ $sqrt(54)=color(blue)(3sqrt(6))color(white)("xxx")$ ...or approximately $7.3485$ $color(blue)(7.3485)$

Explanation:

$54 = 9 \times 6 = 3^{2} \times 6$ $54=9xx6=3^2xx6$
So
$\sqrt{54} = \sqrt{3^{2} \times 6} = \sqrt{3^{2}} \times \sqrt{6} = 3 \sqrt{6}$ $sqrt(54)=sqrt(3^2xx6)=sqrt(3^2)xxsqrt(6)=3sqrt(6)$

a calculator could be used to find an approximation for this value.

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