Question

The volume of a cube is $64c{m}^3.$ Its surface area is:

Answer 1

Let the side of the cube be a. Then, the volume of cube is $a^3$.
Now it is given that the volume of the cube is $64c{m}^3$
$\Rightarrow a^3=64$
$\Rightarrow a=4cm$
Now, the surface area of the cube $=6a^2$
$=6\times 4^2$
$=96c{m}^2$