Needed 27961

Can, height 9cm, r = 8cm. How much sheet is needed to make it?

Correct answer:

S =  854.5132 cm2

Step-by-step explanation:

h=9 cm r=8 cm  S1=π r2=3.1416 82201.0619 cm2 S2=2π r h=2 3.1416 8 9452.3893 cm2  S=2 S1+S2=2 201.0619+452.3893=854.5132 cm2

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