Calculate 71364

Calculate the surface of a block whose two sides measure 12.8 cm, 162 mm and have a volume of 3,214.08 cm3

Correct answer:

S =  1313.72 cm2

Step-by-step explanation:

a=12.8 cm b=162 mm cm=162:10  cm=16.2 cm V=3214.08 cm3  V = abc  c=a bV=12.8 16.23214.08=231=15.5 cm  S=2 (a b+b c+c a)=2 (12.8 16.2+16.2 15.5+15.5 12.8)=2532843 cm2=1313.72 cm2



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