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The curved area of a right circular cyli...

The curved area of a right circular cylinder whose radius is `a` units and height is `b` units, is equal to ………. .

A

`pi a^(2)b sq.cm`

B

`2pi ab sq.cm`

C

`2pi sq.cm`

D

`2 sq.cm`

Text Solution

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The correct Answer is:
B
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FULL MARKS-MENSURATION -ADDITIONAL QUESTIONS SOLVED
  1. Base area of a right circular cylinder is 80cm^(2). If its height is 5...

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  2. If the total surface area of a solid right circular cylinder is 200 pi...

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  3. The curved area of a right circular cylinder whose radius is a units a...

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  4. Radius and height of a right circular cone and that of a right circula...

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  5. If the diameter and height of a right circular cone are 12 cm and 8 cm...

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  6. If the circumference at the base of a right circular cone and the slan...

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  7. If the volume and the base area of a right circular cone are 48picm^(3...

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  8. If the height and the base area of a right circular cone are 5cm and 4...

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  9. The ratios of the respective height and the respective radii of two cy...

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  10. If the radius of a sphere is 2cm, then the curved surface area of the ...

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  11. The total surface area of a solid hemisphere of diameter 2cm is equal ...

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  12. If the volume of a sphere is 9/6 pi cu.cm then its radius is ……… .

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  13. The surface area of two sphere are in the ratio of 9:25 then their vol...

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  14. The total surface area of a solid hemisphere whose radius is a units, ...

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  15. If the surface area of a sphere is 100picm^(2), then its radius is equ...

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  16. If the surface area of a sphere is 36pi cm^(2), then the volume of the...

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  17. If the total surface area of a solid hemisphere is 12pi cm^(2) then it...

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  18. If the radius of a sphere is half of the radius of another sphere, the...

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  19. Curved surface area of a solid sphere is 24cm^(2). If the the sphere i...

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  20. Two right circular cones have equal radii. If their slant height are i...

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