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A cylindrical tank has a capacity of 3080m\(^3\). What is the depth of the tank...

Mathematics
JAMB 2020

A cylindrical tank has a capacity of 3080m\(^3\). What is the depth of the tank if the diameter of its base is 14m?

  • A. 25m
  • B. 23m
  • C. 22m
  • D. 20m
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Correct Answer: Option D
Explanation

V = 2080cm\(^3\), h = ? 

r = 7cm

V = V\(\pi r^2h\)

h = \(\frac{V}{\pi r^2} = \frac{3080}{\frac{22}{7} \times 49}\) 

\(\frac{3080}{54}\) = 20cm

There is an explanation video available below.


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Explanation Video

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