Question

What is the surface area of a cube in which each face of the cube has an area of 7 cm2? surface area = a0 cm2?

Answer 1

There are 6 faces on a cube so the answer is 6*7  = 42 cm^2

Answer 2

The cube has 6 this same faces.
Therefore the surface area is equal 6 · 7cm² = 42cm²