Question

What is the surface area of the cube below?

A. 486 units^2
B. 729 units^2
C. 405 units^2
D. 508 units^2

Answer 1

The formula of the surface area of a cube is 6 x s²

→ s = 9

→ s² = 9²

→ s² = 81

→ 6 x 81 = 486

So, the surface area of the cube is 486 units².