Question

1. express the surface area of a cube as a sum of the

surface area =

Explanation:

Step1: Find the area of one face

The area of one face of a cube is \(x\times x=x^{2}\) (using the formula for the area of a square \(A = s\times s\), where \(s=x\)).

Step2: Sum up the areas of all six faces

A cube has 6 faces. So the surface area as a sum is \(x^{2}+x^{2}+x^{2}+x^{2}+x^{2}+x^{2}\)

Answer:

\(x^{2}+x^{2}+x^{2}+x^{2}+x^{2}+x^{2}\)