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Surface area of Sphere and Hemisphere...

Surface area of Sphere and Hemisphere

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Find the ratio of the total surface area of a sphere and a hemisphere of same radius.

The ratio of the total surface area of a sphere and a hemisphere of same radius is 2:1 (b) 3:2 (c) 4:1 (d) 4:3

Knowledge Check

  • Radius of hemisphere is twice that of a sphere. What is the ratio of total surface area of hemisphere and sphere?

    A
    `3:1`
    B
    `12:1`
    C
    `4:1`
    D
    `6:1`

  • Radius of hemisphere is twice that of a sphere. What is the ratio of total surface area of hemisphere and sphere ?

    A
    `3:1`
    B
    `12:1`
    C
    `4:1`
    D
    `6:1`

  • The ratio of the surface area of a sphere and the curved surface area of the cylinder circumscribing the sphere is

    A
    `1:2`
    B
    `1:1`
    C
    `2:1`
    D
    `2:3`

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    Volume of Sphere and Hemisphere

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    The surface area of a solid sphere is 5544cm^(2) . It is cut into two hemispheres.Calculate the radius of the sphere and the total surface area of each hemisphere.

    Is the following statement true or false. The radius of a sphere and hemisphere is the same . If the surface area of the sphere is 400 cm^(2) then the total surface area of the hemisphere will be 200 cm^(2)

    Volume and surface area of a solid hemisphere are numerically equal. What is the diameter of the hemisphere. ?

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