Cube-shaped 68794

How much fabric will be needed to cover 12 cube-shaped seats with a 40cm edge?

Correct answer:

S =  11.52 m2

Step-by-step explanation:

n=12 a=40 cm m=40:100  m=0.4 m  S1=6 a2=6 0.42=2524=0.96 m2  S=n S1=12 0.96=11.52 m2

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