Answer:
The surface area of the fish tank is 864 in².
Step-by-step explanation:
The surface area of cube is
[tex]A=6a^2[/tex]
Where, a is side length.
It is given that cube tank has a side length of 12 inches. It means a=12.
The area of fish tank is
[tex]A=6(12)^2[/tex]
[tex]A=864[/tex]
Therefore the surface area of the fish tank is 864 in².
