Question
Using square root table, find the square root:
540

Answer

Using the table to find $\sqrt{3}$ and $\sqrt{5}$
$\sqrt{540}=\sqrt{54}\times\sqrt{10}$
$=2\times3\sqrt{3}\times\sqrt{5}$
$=2\times3\times1.732\times2.2361$
$=23.24$

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