The 1.8m cylinder contains 2000 liters of water. What area (in dm2) of this container is the water?

Correct answer:

S =  698.9134 dm2

Step-by-step explanation:

D=1.8 m dm=1.8 10  dm=18 dm r=D/2=18/2=9 dm  V=2000 l dm3=2000 1  dm3=2000 dm3  S1=π r2=3.1416 92254.469 dm2  h=V/S1=2000/254.4697.8595 dm  S=S1+π D h=254.469+3.1416 18 7.8595=698.9134 dm2

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