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The surface area of a cube is calculated by finding the area of each of its 6 faces and adding them together.
The formula for the surface area of a cube is:
Surface Area = 6s^2
Where s is the length of a side of the cube.
Given that the side length is 11 meters:
Surface Area = 6(11)^2
Surface Area = 6(121)
Surface Area = 726 m^2
Therefore, the surface area of the cube is 726 m2.