Question

The volume of a cube is $729$ $c{m}^3.$ Find its total surface area in sq-cm.

Answer 1

Volume of a cube $=($side${)}^3=729$ ${cm}^3$
$\Rightarrow$ side $=\sqrt[3]{3729}=9$ cm
Total surface area of a cube of edge $=6a^2=6{\left(9\right)}^2=486{cm}^2$