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The ratio of following area of a sphere ...

The ratio of following area of a sphere and CSA of hemisphere is ___.

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The correct Answer is:
`2:1`
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PREMIERS PUBLISHERS-MENSURATION-SOLUTION TO PROGRESS CHECK
  1. The C.S.A of a right circular cylinder of equal radius and height is …...

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  2. Right circular cone is a solid obtained by revolving ……. about ………

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  3. In a right circular cone the axis is to the diameter..

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  4. The difference between the CSA and TSA of a cone is .

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  5. When a sector of a circle is transformed to form a cone, then match th...

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  6. Every section of a sphere by a plane is a ………

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  7. The centre of a great circle is at the of a sphere.

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  8. The difference between TSA and CSA of hemisphere is .

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  9. The ratio of following area of a sphere and CSA of hemisphere is .

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  10. A section of the sphere by a plane through any of its great circle is ...

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  11. The portion of a right circular cone intersected between two parallel ...

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  12. How many frustums can a right circular cone have?

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  13. Volume of a cone is the product of its base area and ……….

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  14. If the radius of the cone is doubled, the new volume will be ………….. ti...

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  15. Consider the cones given in figure. (i) Without doing any calcula...

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  16. Consider the cones given in figure. Verify whether the cone with...

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  17. Consider the cones given in figure. Volume of cone A : Volume of...

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  18. What is the ratio of volume to surface area of sphere?

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  19. The relationship between the height and radius of the hemisphere is .

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  20. The volume of a sphere is the product of its surface area and ………..

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