Question

Area is $20.8m^2$ of square find its side.

Answer 1

$\begin{array}{c}20.8m^{2}Areaofsquare\left(given\right)\\ Thenitssides\\ \Rightarrow Areaofsquare={\left(side\right)}^2\\ \Rightarrow \sqrt{20.8}=side\\ 4.56m=sideofsquare\end{array}$