Fairy-tale 33711

How much paper was spent on gluing 12 fairy-tale children's cubes with an edge 3.8 cm long?

Correct answer:

S =  1039.68 cm2

Step-by-step explanation:

n=12 a=3.8 cm  S1=6 a2=6 3.82=252166=86.64 cm2  S=n S1=12 86.64=1039.68 cm2

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