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Find Curved and total surface area of Hemispherical shell with inner radius 7cm and outer radius 14cm.

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Knowledge Check

  • The curved surface area of a hemisphere with radius 7cm is:

    A
    `308 cm^2`
    B
    `462 cm^2`
    C
    `385 cm^2`
    D
    `616 cm^2`

  • The total surface area of a hemisphere of radius 7 cm is

    A
    `(588 pi) cm^(2)`
    B
    `(392 pi) cm^(2)`
    C
    `(147 pi) cm^(2)`
    D
    `(98 pi ) cm^(2)`

  • Find the total surface are of a hollow metallic hemisphere whose internal radius is 14 cm and the thickness of the metal is 7 cm.

    A
    4774 `cm^(2)`
    B
    4477 `cm^(2)`
    C
    4747 `cm^(2)`
    D
    7744 `cm^(2)`

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