Home
Class 10
MATHS
The radii of the circular bases of a ...

The radii of the circular bases of a frustum of a right circular cone are 12 cm and 3 cm and the height is 12 cm. Find the total surface area and the volume of the frustum.

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    RD SHARMA|Exercise All Questions|230 Videos

  • TRIANGLES

    RD SHARMA|Exercise All Questions|361 Videos

Similar Questions

Explore conceptually related problems

Volume of frustum of right circular cone

The radii of the circular ends of a solid frustum of a cone are 33 cm and 27 cm and its slant height is 10 cm. Find its total surface area.

The radii of the circular ends of a solid frustum of a cone are 18 cm and 12 cm and its height is 8 cm. Find its total surface area. [ Use pi = 3.14. ]

The radii of the ends of a frustum of a right circular cone are 5 metres and 8 metres and its lateral height is 5 metres. Find the lateral surface and volume of the frustum.

The radius of a right circular cone is 3 cm and its height is 4 cm. The total surface area of the cone is

The radius of the base of a solid right circular cone is 8 cm and its height is 15 cm. The total surface area of the cone is:

The radii of the circular ends of a frustum of height 6cm are 14cm and 6cm respectively. Find the lateral surface area and total surface are of the frustum.

The radii of the circular ends of a frustum of a cone are 14 cm and 8 cm. If the height of the frustum is 8 cm, find (i) slant height of frustum (ii) total surface area of frustum (iii) Volume of frustum, (pi=3.14)

If the areas of circular bases of a frustum of a cone are 4\ c m^2 and 9\ c m^2 respectively and the height of the frustum is 12 cm. What is the volume of the frustum?

RD SHARMA-SURFACE AREAS AND VOLUMES-All Questions
  1. The height of a cone is 20 cm. A small cone is cut off from the top...

    Text Solution

    |

  2. If the radii of the circular ends of a bucket 24 cm high are 5 cm a...

    Text Solution

    |

  3. The radii of the circular bases of a frustum of a right circular co...

    Text Solution

    |

  4. A tent consists of a frustum of a cone capped by a cone. If the rad...

    Text Solution

    |

  5. A reservoir in the form of the frustum of a right circular cone con...

    Text Solution

    |

  6. A solid metallic right circular cone 20 cm high with vertical angle...

    Text Solution

    |

  7. A bucket is in form of a frustum of a cone with a copacity of 12308.8 ...

    Text Solution

    |

  8. A bucket made of aluminium sheet is of height 20 cm and its upper a...

    Text Solution

    |

  9. The radii of the circular ends of a solid frustum of a cone are 33 ...

    Text Solution

    |

  10. A bucket made up of a metal sheet is in the form of a frustum of a ...

    Text Solution

    |

  11. A solid is in the shape of a frustum of a cone. The diameters of th...

    Text Solution

    |

  12. A milk container is made of metal sheet in the shape of frustum of a c...

    Text Solution

    |

  13. A solid cone of base radius 10 cm is cut into two parts through the...

    Text Solution

    |

  14. A bucket open at the top, and made up of a metal sheet is in the form ...

    Text Solution

    |

  15. In Fig. 16.74, from the top of a solid cone of height 12 cm and bas...

    Text Solution

    |

  16. A metallic sphere 1 dm in diameter is beaten into a circular sheet ...

    Text Solution

    |

  17. Three solid spheres of radii 3, 4 and 5 cm respectively are melted ...

    Text Solution

    |

  18. A spherical shell of lead, whose external diameter is 18 cm, is mel...

    Text Solution

    |

  19. A well with 10m inside diameter is dug 8.4m deep. Earth taken out o...

    Text Solution

    |

  20. In the middle of a rectangular field measuring 30 mxx20 m , a well ...

    Text Solution

    |