Answer:
15 square centimeters
Explanation:
A cube has 6 faces.
So, divide the surface area by 6 to get the surface area of a face of a cube.
Equation (for cube):
SA = surface area = 90
F = surface area of a face of a cube
F =
× SA
F =
× 90
F =
= 15, F = 15
So, the area of one face of the cube is 15 square centimeters.