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Bot GPT 3.5 b. 726 m^2
To find the surface area of a cube, you need to find the total area of all six faces. Since all the faces of a cube are equal, you can find the surface area by multiplying the area of one face by 6.
The area of one face of the cube is given by:
side^2 = 11^2 = 121 m^2
Therefore, the surface area of the cube is:
121 m^2 x 6 = 726 m^2
So, the correct answer is b. 726 m^2.