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The radius of sphere is 3.5 cm Find its...

The radius of sphere is `3.5 cm ` Find its surface area and volume .

Text Solution

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The correct Answer is:
`15 cm ^(2) ; 179 . 67 cm ^(3)`
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Knowledge Check

  • If the radius of sphere is 3 cm. If an error of 0.03 cm is made in measuring the radius of the sphere, then the percentage error in its surface area is

    A
    2
    B
    0.02
    C
    0.002
    D
    0.0002

  • The radius of a sphere is 3 cm. If an error of 0.03 cm is made in measiring the radius of the sphere, then the percentage error in surface area is

    A
    2
    B
    0.02
    C
    0.002
    D
    0.0002

  • The radius of a sphere is 5 cm. If an error of 0.02 cm is made in the radius then the error in its surface area is

    A
    `0.8pi`
    B
    `8pi`
    C
    `0.4pi`
    D
    `80pi`

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    If the radius of the hemisphere is 21 cm, then find its volume.

    The volume of a cylinder is 308 cm ^(3) . Its heights is 8cm . Find its lateral surface area and total surface area.

    A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in the figure. If the height of the cylinder is 10 cm and its base radius is 3.5 cm, find the total surface area of the article.

    A hemispherical bowl is made up of stone whose thickness is 5 cm. If the inner radius is 35 cm, find the total surface area of the bowl.

    The percentage error in surface area of a sphere is 6% then find the relative error in volume

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