A square sheet of paper. 44 cm long is rolled along its
length to form a cylinder. Find the volume of the cylinder
so formed.
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length of the cylinder = 44cm
Volume of the cylinder = πr2h
so , we need r here ,
circumference = 44
2πr = 44
r = 44/2π
r =22/π
r = 22*7/22
r = 7 cm .
Volume of cylinder = π2h
= 22/7*7*7*42
= 22*7*42
. = {154 * 42} cm3
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