Answer:
[tex] 4,636.8 \: {in}^{2} [/tex]
Step-by-step explanation:
Surface area of the hexagonal prism
= Area of base * Height
= 6*Area of one triangle *height
[tex] = 6( \frac{1}{2} \times 8 \times 6.9) \times 28 \\ \\ = 6(4 \times 6.9)28 \\ \\ = 6 \times 27.6 \times 28 \\ \\ = 4,636.8 \: {in}^{2} [/tex]
