Aliya0193 Aliya0193

20-05-2014
Mathematics

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what is the lateral surface area of a cube with side length 9 cm?

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Аноним Аноним

07-07-2014

[tex]a=9cm\\\\surface\ area:A_S=6a^2\to A_S=6\cdot9^2=6\cdot81=486\ (cm^2)[/tex]

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