. A rectangular piece of sheet is 66cm in length and 10 cm in width. It is rolled into a cylinder along the length. Find the volume of the cylinder and curved surface area of cylinder
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Length of the rectangular paper will be height of the cylinder and width of the rectangular paper is circumference of the cylinder
∴2πr=10cm and h=22cm
Now volume of the cylinder
=πr2h
22/7 × 10/2π × 10/2π × 22cm^3
=22/7 × 10/2 × 7/22 × 10/2 × 7/22 × 22cm^3
= 175CM^3
pl mark brainy
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