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The surface area of a solid sphere is 55...

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

A

`36 pi`

B

`108 pi`

C

`135 pi`

D

`144 pi`

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Knowledge Check

  • The surface area of a sphere is 5544 cm^2 . Find its diameter (in cm).

    A
    42
    B
    21
    C
    84
    D
    63

  • The surface area of a sphere of radius 21 cm is

    A
    `2772 cm^(2)`
    B
    `1386 cm^(2)`
    C
    `4158 cm^(2)`
    D
    `5544 cm^(2)`

  • The radius of a sphere is 21cm, what is the surface area of the sphere?

    A
    `12932cm^(2)`
    B
    `4312cm^(2)`
    C
    `9702cm^(2)`
    D
    `5544cm^(2)`

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    Radius of a sphere is 14 cm. Find the surface area of the sphere.

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    Find the total surface area of a hemisphere of radius 10cm

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