yolochan12 yolochan12

16-05-2016
Mathematics

contestada

The edge length of a cube is shown. what is the total suface area of this cube?
3m

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GreenEyes71 GreenEyes71

16-05-2016

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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