Cylinder 5123

The well has the shape of a cylinder with a base diameter of 1.2 m. From the surface to the surface, it is 4 m, and the water depth is 3.5 m. How many m3 of soil had to be dug when digging the well? How much is water (in m3) in the well?

Correct answer:

V1 =  8.4823 m3
V2 =  3.9584 m3

Step-by-step explanation:

D=1.2 m r=D/2=1.2/2=53=0.6 m a=4 m b=3.5 m S=π r2=3.1416 0.621.131 m2 h=a+b=4+3.5=215=7.5 m V1=S h=1.131 7.5=8.4823 m3
V2=S b=1.131 3.5=3.9584 m3

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