A cylindrical tank has a capacity of 3080m3. What is the depth of the tank if the diameter of its base is 14m?

A cylindrical tank has a capacity of 3080m3. What is the depth of the tank if the diameter of its base is 14m?
A. 25m
B. 23m
C. 22m
D. 20m
Correct Option: Answer is D
Solution:

V=πr2h
V=3080m3
h=?

r=14/2=7m
3080 =22/7 x 7 x 7 x h
3080 = 154h; h= 3080/154 = 20m

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