Question

The volume of a cube is 512 cm^3.Find its sufface area.

Answer 1

volume =a³
512=a³
a=8
surface area = 6a²
=6×8×8
=384 cm²

Answer 2

Let the length of side of the cube be 'a'
Volume = a³
a³ = 512
a = 8 cm

Surface area of a cube = 6a²
= 6 x 8²
= 6 x 64
= 384 cm²