The circumference 3

The circumference of a cylindrical water tank is 62.8m. When it is 4/5 full of water, it holds 125.6hl. Find the depth of the tank.

Correct answer:

h =  0.05 m

Step-by-step explanation:

o=62.8 m V1=125.6 hl m3=125.6:10  m3=12.56 m3  54 V=V1 54 V=12.56  4/5 V=12.56  4V=62.8  V=462.8=15.7  V=10157=15.7   o = 2π r r=o/(2π)=62.8/(2 3.1416)9.9949 m  S1=π r2=3.1416 9.99492313.8408 m2  V = S1 h  h=V/S1=15.7/313.8408=0.05 m

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