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A Joker’s cap is in the form of a right ciruclar cone of base radius 7 cm and height 24 cm. Find the area of the sheet required to make 10 such caps.

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MBD-Surface Areas and Volumes-Exercise
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  2. The slant height and base diameter of a conical tomb are 25 m and 14 m...

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  3. A Joker’s cap is in the form of a right ciruclar cone of base radius 7...

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  4. A bus stop is barricaded from the remaining part of the road, by using...

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  5. For a right circular cone, slant height = 10 cm, radius of base = 5 cm...

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  6. The radius of the base of a right circular cone is 12 m. If the slant ...

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  7. The height of a cone is 16 m and the radius of its base is 12 m. What ...

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  8. Find the total surface area of a cone, if its slant height is 9 m and ...

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  9. The height of a cone is 16 cm and its base radius is 12 cm. Find the c...

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  10. A corn cob (see Fig. 13.17), shaped somewhat like a cone, has the radi...

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  11. A conical tent is 10 m high and the radius of its base is 24 m. What i...

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  12. The radius of a spherical balloon increases from 7 cm to 14 cm as air ...

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  13. A hemispherical bowl made of brass has inner diameter 105 cm. Find the...

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  14. Find the radius of a sphere whose surface area is 154 cm^2.

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  15. The diameter of the moon is approximately one fourth the diamter of th...

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  16. A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius...

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  17. A right circular cylinder just encloses a sphere of radius r (see Fig....

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  18. A right circular cylinder just encloses a sphere of radius r (see Fig....

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  19. A right circular cylinder just encloses a sphere of radius r (see Fig....

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  20. Find the suface area of a sphere whose radius is 10 cm : (Take pi=3.14...

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