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A right triangle with sides 3 cm, 4 c...

A right triangle with sides 3 cm, 4 cm and 5 cm is rotated about the side of 3 cm to form a cone. The volume of the cone so formed is `12pi\ c m^3` (b) `15pi\ c m^3` (c) `16pi\ c m^3` (d) `20pi\ c m^3`

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RS AGGARWAL-VOLUME AND SURFACE AREAS-All Questions
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  7. Area of the canvas cloth needed to erect a right conical tent of he...

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  8. The slant height of a conical mountain is 2.5 km and the area of it...

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  9. If the area of the base of a right circular cone is 3850 cm2 and it...

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  10. Volume of a right circular cone having base radius 70 cm and curved...

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  11. The radius and height of a right circular cone are in the ratio 3 :...

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  12. A vertical cone of volume V with vertex downwards is filled with...

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  13. A semicircular sheet of paper of diameter 28 cm is bent to cover th...

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  14. The length of canvas 1.1 m wide required to build a conical tent of...

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  15. If the height of a cone is doubled and its base diameter is trebled...

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  16. If both the radius and height of a right circular cone are increase...

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  17. If the height of a right circular cone is increased by 200% and the...

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  18. If the height of a cone be doubled and radius of base remains the s...

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  19. If h , c ,V are respectively the height, the curved surface and the...

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  20. If the heights of two cones are in the ratio 7 : 3 and their diamet...

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