Question

find the total surface area of a cube whose volume is 343cm³

Answer 1

Let s = side of the cube
volume of cube = 343 m^​3
$$\begin{gathered} \Rightarrow s^3=343 \\ \Rightarrow s=7m \\ \mathrm{surface}\mathrm{area}=6s^2=6(7{)}^2=6\times 49=294m^2 \end{gathered}$$