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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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w u t. If this is a question i can try and answer but i dont understand. Is english your first language??
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To prove???
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i have proved this
Uhh the first one? I can't see a picture or anything....
Answer:
12
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