Cylinder-shaped 71844

The cylinder-shaped tank with a diameter of 100 cm is 50% full and contains 7850 l of water. What is the height of the tank?

Correct answer:

h =  20 m

Step-by-step explanation:

D=100 cm→ m=100:100  m=1 m V=7850 l→ m3=7850:1000  m3=7.85 m3 q=50%=10050​=21​=0.5  r=D/2=1/2=21​=0.5 m S1​=π⋅ r2=3.1416⋅ 0.52≐0.7854 m2   V = q ⋅  S1​  ⋅  h  h=q⋅ S1​V​=0.5⋅ 0.78547.85​=20 m

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