Question

A rectangular piece of a paper 44 cm long and 21 cm broad is rolled along its length to form a cylinder.Find the curved surface area and total surface area of the cylinder. Hint: width will be the height. ​

Answer 1

Answer:

sorry I can't you can check next one

Answer 2

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Length of the sheet=Circumference of the base.

⇒44=2πr

⇒r=44×21×22/7=7

∴ Radius=7cm

Breadth of the metal sheet=height of the cylinder

h=21cm

Curved surface area=2πrh

=2×22/7×7×21=924sq.cm

∴ Curved surface area is 924sq.cm