Answer:
The surface area is 54 square feet
Step-by-step explanation:
Given
The attached figure
Required
The surface area
This is calculated as:
[tex]SA = 2(LW + LH + HW)[/tex]
Where
[tex]L = Length\\ W = Width\\ H = Height\\[/tex]
So,
[tex]SA = 2 * (3 * 3 + 3 * 3 + 3 * 3)[/tex]
[tex]SA = 54[/tex]
