Answer :

Answer:

864 sq. in.

Step-by-step explanation:

The figure is a cube

The surface area of a cube is equal to

S= 6b^2

where  

b is the length side of the cube

In this problem we have

b=12 in.

substitute

S=6(12)^2 = 864 sq. in.

Answer:

576 sq in.

Step-by-step explanation:

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