Question

the volume of cube is 729 centimetre cube find its total surface area

Answer 1

Volume of a cube = 729
Then length of each side = 9(a³)
So, total surface area = 6a² = 486 cm²(Ans)...

Answer 2

volume of cube=729
volume of cube =side cube
side cube=729
then side=9cm
total surface area of cube =6side square
6side square =6×9×9
=6×81
=486cm square
this is your correct answer.