Dimensions 16493

How many square meters of material is needed to make two identical blocks with dimensions of 6 dm, 8 dm, and 12 dm if we count 8% of the material for folds? (Round to two decimal places. )

Correct answer:

x =  9.33 m2

Step-by-step explanation:

a=6 dm b=8 dm c=12 dm n=2 q=100%+8%=1+1008=1.08  S1=2 (a b+b c+a c)=2 (6 8+8 12+6 12)=432 dm2 S2=n S1 q=2 432 1.08=2523328=933.12 dm2  x=S2 m2=S2:100  m2=933.12:100  m2=9.33 m2=9.33 m2

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