Question

find the value of √256 by division method​

Answer 1

✓256=16

because 16*16

= 256

Answer 2

$\begin{array}{c|c|c} 1& \: \: \overline{2} \: \overline{56}&16 \\ + 1&-1 \Downarrow & \: \\ \cline{1-2}26&156 & \: \\ 6& - 156 & \: \\ \cline{1-2} \: &0& \: \end{array}$

Hence,
$\\ \sqrt{256} = 16$