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Curved surface area of a right circular ...

Curved surface area of a right circular cylinder is `4. 4m^2`. If the radius of the base of the cylinder is 0.7 m, find its height.

Text Solution

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Curved Surface Area is
`CSA=2pirh`
`4.4=2xx22/7xx0.7xxh`
`h=(4.4xx7)/(2xx22xx0.7)=1m`
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Curved surface area of a right circular cylinder is 4m^(2). If the radius of the base of the cylinder is 0.7m ,find its height.

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Knowledge Check

  • The total surface area of a right circular cylinder whose height is 15 cm and the radius of the base is 7 cm, is

    A
    968 `cm^2`
    B
    2310 `cm^2`
    C
    488 `cm^2`
    D
    1860 `cm^2`

  • The total surface area of a right circular cylinder whose height is 15 cm and the radius of the base is 7 cm, is

    A
    `968 cm^(2)`
    B
    `2310 cm^(2)`
    C
    `488 cm^(2)`
    D
    `1860 cm^(2)`

  • The volume and curved surface area of a right circular cylinder are

    A
    `2pirh , pir^2h`
    B
    `pir^2h ,2pirh`
    C
    `1/3pi r^2h , 2pirh`
    D
    `pir^2h pirh`

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