288m2
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Total surface area of a cube = 6*area of cube face = 6*cube side*cube side
To find the surface area of a cube, add the area of its 6 sides. The area of one side is x^2. The cube has 6 faces therefore the surface area equals 6x^2
The surface area of a cube can be calculated by finding the area of each of the cube's six square faces and adding them together. Since all sides of a cube are equal, the area of one face is the side length squared. Therefore, the surface area of a cube with a side length of 8mm is 6 times 8mm squared, which equals 384 square millimeters.
The surface area of a cube with a side of 3.2 is 61.44 units2
If a is the side,lateral surface area of cube=4a2