Question

find the area for sheet required to make a cylindercal container which is open at one side and whose diameter the 28 centimeter and height is 20 centimeters find the approximate area of the sheet of required to make a lid of hight to centimeters for this container​

Answer 1

Answer:

area of sheet required= CSA of cylinder +area of base

= 2πrh+πr^2

2×22×14×20/7 + 22×14×14/7

1760+616

2376 cm^2

sheet required to cover the container of height 2 cm

= 2πrh+ πr^2

2×22×14×2/7 + 22×14×14/7

=176+616

792 cm^2

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