From each face of the given cube, an unit cube (shaded) is cut out. What will be the surface area of the remaining portion of the cube (in cm2
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Step-by-step explanation: The surface area of a cube = 6a2 where a is the length of the side of each edge of the cube. Put another way, since all sides of a cube are equal, a is just the lenght of one side of a cube. We have 96 = 6a2 → a2 = 16, so that's the area of one face of the cube.
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