a rectangular sheet of paper is 44 cm *18cm is rolled along its length and a cylinder is formed.find the volume of so formed cylinder
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Area of rectangle = CSA of cylinder = 2πrh
r = CSA/2πh
= (44 × 18/2×π×18)cm sq.
= 7 cm
Volume of cylinder = πr2h
= (π×49×18)cm cu.
= 2772 cm cu.
r = CSA/2πh
= (44 × 18/2×π×18)cm sq.
= 7 cm
Volume of cylinder = πr2h
= (π×49×18)cm cu.
= 2772 cm cu.
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