A cylindrical tank of height 20 m has a curved surface area of 1760 sq m. Taking π = 22/7, what is its volume?
Correct answer B. 12,320 cu m
Explanation
2πrh = 1760 gives r = 1760 / (2 x 22/7 x 20) = 14 m. Volume = 22/7 x 14 x 14 x 20 = 12320 cu m.
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