Answer:
Explanation:
Alright, lets get started.
The surface area of the design will be area of each faces.
there are six similar faces.
the area of one face will be =
![length*width](https://img.qammunity.org/2019/formulas/mathematics/middle-school/u5tuvkuxqw403s5wnbfywu2mwg5kk4kuhj.png)
Area of one face will be =
![8*8 = 64](https://img.qammunity.org/2019/formulas/mathematics/middle-school/c7a8qshqxx9zqn00pb7ibyv6onx4e6hut2.png)
So area of all six faces will be =
![6*64=384 ft^2](https://img.qammunity.org/2019/formulas/mathematics/middle-school/znbh53xu7d57fwq2zq0en4ucln43gt5786.png)
So the surface area will be 384 square feet. : Answer
Hope it will help :)