Answer :
Answer:
[tex]54units^2[/tex]
Step-by-step explanation:
Recall that surface area is the sum of all the areas of each face of a 3-D shape.
In this case, the surface area is the sum of all 6 sides of the cube or 6 times the area of a square of side length 3.
[tex]6(s^2)=SA\\6(3^2)=54=SA[/tex]