Answer:
B. [tex] 108 \: {in}^{2} [/tex]
Step-by-step explanation:
Total surface area of the square pyramid
= 4 times the area of one triangle + Area of square
[tex] = 4 \times \frac{1}{2} \times 6 \times 6 + {6}^{2} \\ \\ = 72 + 36 \\ \\ = 108 \: {in}^{2} [/tex]
