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The surface area of a sphere is 2464 cm...

The surface area of a sphere is `2464 cm^ 2` If its radius be doubled, what e surface area of the new sphere?

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The correct Answer is:
`9856 cm^(3)`

`4pir^(2)=2464." Find r"`.
Now, calculate surface area using 2r as radius.
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RS AGGARWAL-VOLUME AND SURFACE AREAS OF SOLIDS-Exercise 17A
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  3. The surface area of a sphere is 2464 cm^ 2 If its radius be doubled, ...

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  4. A military ten of height 8.25m is in the form of a right circular c...

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  5. A tent is in the shape of a right circular cylinder up to a height of ...

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  6. A circus tent is cylindrical to a height of 3 metres and conical above...

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  8. A solid is in the shape of a cone surmounted on a hemi-sphere, the ...

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  10. A toy is in the shape of a cone mounted on a hemisphere of same base r...

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  11. A cylindrical container of radius 6 cm and height 15 cm is filled with...

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  12. A vessel is in the form of a hemispherical bowl surmounted by a hollow...

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  13. A toy is in the form of a cylinder with hemispherical ends. If the who...

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  14. A medicine capsule is in the shape of a cylinder with two hemispheres ...

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  15. A solid is in the form of a right circular cone mounted on a hemispher...

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  16. From a solid cylinder whose height is 8 cm and radius 6cm , a conical ...

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  17. From a solid cylinder of height 14 cm and base diameter 7 cm, two equa...

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  18. A metallic cylinder has radius 3 cm and height 5 cm, To reduce its wei...

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  19. From a solid cylinder of height 14cm and base diameter 7cm,two equal c...

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  20. A spherical glass vessel has a cylindrical neck 7 cm long and 4 cm in ...

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