Centimeters 65884

The plastic bucket has the shape of a cylinder with a diameter of 25 cm and a height of 40 cm. How many square centimeters are needed to produce it? How many liters does it contain when filled 5 cm below the rim?

Correct answer:

S =  3632.4665 cm2
V =  17.1806 l

Step-by-step explanation:

d=25 cm h=40 cm  r=d/2=25/2=225=12.5 cm  S1=π r2=3.1416 12.52490.8739 cm2 S2=2π r h=2 3.1416 12.5 403141.5927 cm2  S=S1+S2=490.8739+3141.5927=3632.4665 cm2
V1=S1 (h5)=490.8739 (405)17180.5848 cm3  V=V1 l=V1:1000  l=17180.5848:1000  l=17.181 l=17.1806 l

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