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How much metal sheet is required to prep...

How much metal sheet is required to prepare a cylindrical pipe 10 cm long and radius 7 cm?

Text Solution

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The correct Answer is:
`440 cm^2`
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Knowledge Check

  • How much area of metal sheet is rquired to make an open cylindrical tank of radius 3.5 m and height of 12 m ?

    A
    `305m^(2)`
    B
    `285m^(2)`
    C
    `292 . 7m^(2)`
    D
    `302.5m^(2)`

  • Find the area of the iron sheet required to prepare a cone with base is 24 cm height with base raadius 7 cm .

    A
    `625 cm^(2)`
    B
    `690cm^(2)`
    C
    `704cm^(2)`
    D
    `729cm^(2)`

  • The difference between the outside and inside surfaces of a cylindrical metal pipe 14 cm long is 44" cm"^(2) . It the pipe is made of 99" cm"^(3) of metal, find the sum of the inner and outer radii of the pipe ?

    A
    `4.5` cm
    B
    `3.5` cm
    C
    2 cm
    D
    `5.5` cm