Question

This is a picture of a cube and the net for the cube.

What is the surface area of the cube?

Answer 1

Answer:

$486\ in^2$

Step-by-step explanation:

we know that

The surface area of the cube is equal to the area of its six square faces

so

$SA=6b^2$

where

b is the length side of the cube

we have

$b=9\ in$

substitute

$SA=6(9)^2=486\ in^2$

Answer 2

Answer:

486

Step-by-step explanation: