Fountain

The stone fountain, which has the shape of a cylinder with a diameter of 3 m, is 70 cm deep. How many m2 of stone is wetted with water?

Correct result:

S =  13.6659 m2

Solution:

D=3 m h=70 cm m=70/100  m=0.7 m  r=D/2=3/2=32=1.5 m  S1=π r2=3.1416 1.527.0686 m2 S2=π D h=3.1416 3 0.76.5973 m2  S=S1+S2=7.0686+6.5973=13.6659 m2



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