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17 October, 13:25

The edge length of a cube is shown. what is the total suface area of this cube?

3m

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Answers (1)
  1. 17 October, 15:58
    0
    Hi,

    A cube has got 6 faces (having the same area), area of any face is l², where l is the lenght of any edge.

    Total surface would be:

    A = 6*l² = 6 * 3² m² = 54 m².

    Green eyes.
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