2017
Mathematics
JAMB
A cylindrical tank has a capacity of 3080m3. What is the depth of the tank if the diameter of its base is 14m? Take pi = 22/7.
A.
23m
B.
25m
C.
20m
D.
22m
Correct Answer: 20m
Explanation
Capacity = Volume = 3080m33 base diameter = 14m radius = diameter/2 = 7m Volume of Cylidner = Capacity of cylinder πr2h = 3080 22/7 × 7 × 7 × h = 3080 h = 3080/22×7 h = 20m
Capacity = Volume = 3080m33 base diameter = 14m radius = diameter/2 = 7m Volume of Cylidner = Capacity of cylinder πr2h = 3080 22/7 × 7 × 7 × h = 3080 h = 3080/22×7 h = 20mTHIS WEEK's
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