Block-shaped 44771

How much m² of paper do we save if we do not glue one-third of the total area of ​​the block-shaped billboard area with dimensions of 0.6 m, 0.7 m, and 1.4 m?

Correct answer:

x =  1.49 m2

Step-by-step explanation:

a=0.6 m b=0.7 m c=1.4 m  S=2 (a b+b c+c a)=2 (0.6 0.7+0.7 1.4+1.4 0.6)=25112=4.48 m2  x=31 S=31 25112=3 251 112=75112=75112 m2=1.49 m2

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