The surface area of a cube with side length 8 cm is _______ cm².

Step-by-step solution

1. The surface area of a cube is given by the formula $6s^2$ where $s$ is the side length.
2. Substituting $s=8$ cm, we get $6\times 8^2=6\times 64=384$.
3. Thus, the surface area is 384 cm².

Concept tested: Cube surface area

Published 7 October 2026 · How this solution was prepared and checked