A cylindrical container has a base radius of 14... - WAEC Mathematics 2011 Question
A cylindrical container has a base radius of 14cm and height 18cm. How many litres of liquid can it hold? correct to the nearest litre [Take (\pi = \frac{22}{7})]
A
11
B
14
C
16
D
18
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Correct Option: A
Volume of cylinder = (\pi r^2 h)
= (\frac{22}{7} \times 14^2) x 14 x 18 = 22 x 28 x 18
= 11088cm3
1000cm3 = (\frac{1}{1000}) x 11088cm3
= 11.088
= 11
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