Question

Calculate the surface area of a solid box in the shape of a cube with side length 7cm.

Answer 1

Surface area of the cube = 294cm^2

Explanation:

A cube has the same side lengths for every side

Surface area of one face is length * length

7 * 7 = 49cm^2

A cube has 6 faces

49 * 6 = 294cm^2

Answer 2

Explanation:

a=7

=6a^2

=6×(7)^2

=6×49

=294