Answer:
[tex]33 {ft}^{2} [/tex]
Step-by-step explanation:
SA = 4(Area of ) + Area of ⬜
= 4(bh/2) + l*b
[tex]4(3 {ft}\times 4ft) \div 2 + (3ft \times 3ft)[/tex]
[tex]4 \times (12 {ft}^{2}) \div 2 + 9 {ft}^{2} [/tex]
[tex]24 {ft}^{2} + 9{ft}^{2} [/tex]
[tex]33 {ft}^{2} [/tex]
