Home
Class 9
MATHS
A metal pipe is 77 cm long. The inner di...

A metal pipe is 77 cm long. The inner diameter of a cross section is 4cm, the outer diameter being 4.4 cm [See Fig.
]. Find its inner curved surface area.

A

`864 cm^2`

B

`968 cm^2`

C

`768 cm^2`

D

`864 cm^2`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A metal pipe is 77 cm long. The inner diameter of a cross section is 4cm, the outer diameter being 4.4 cm [See Fig. ]. Find its outer curved surface area.

A metal pipe is 77 cm long. The inner diameter of a cross section is 4cm, the outer diameter being 4.4 cm [See Fig. ]. Find its outer curved surface area.

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm (see Fig. 13.11). Find its (i) inner curved surface area, (ii) outer curved surface area, Assume pi = 22/7 , unless stated otherwise.

A metal pipe is 77 cm long. The inner diameter of a cross - section is 4 cm, the outer diameter being 4 . 4 cm (see figure) . Find its outer curved surface area

A metal pipe is 77 cm long. The inner diameter of a cross - section is 4 cm, the outer diameter being 4 . 4 cm (see figure) . Find its total surface area

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm. Find total surface area.

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4 cm. Find outer curved surface area.

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter beignt 4.4 cm. Inner curved surface area?

A piece of metal pipe is 77 cm long, the inside diameter of a cross-section is 4 cm and the outside diameter is 4.5 cm. If the metal weighs 8 g per cm^3 , what is the weight of piece of pipe ?

MBD-Surface Areas and Volumes-Exercise
  1. The curved surface area of a cylinder of height 14 cm Is 88 cm^2. The ...

    Text Solution

    |

  2. It is required to make a closed cylindrical tank of height 1 m and bas...

    Text Solution

    |

  3. A metal pipe is 77 cm long. The inner diameter of a cross section is 4...

    Text Solution

    |

  4. The diameter of a roller is 84 cm and its length is 120 cm. It takes 5...

    Text Solution

    |

  5. A cylindrical pillar is 50 cm in diameter and 3.5 m in height. Find th...

    Text Solution

    |

  6. The inner diameter of a circular well is 3.5 m. It is 10 m deep. Find ...

    Text Solution

    |

  7. In a hot water heating system, there is a cylindrical pipe of length 2...

    Text Solution

    |

  8. The curved surface area of a right circular cone of slant height 10 cm...

    Text Solution

    |

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

    Text Solution

    |

  10. Curved surface area of a cone of base radius 12 cm and height 16 cm is...

    Text Solution

    |

  11. The curved surface area of a cone of slant height 10 cm and base diame...

    Text Solution

    |

  12. The slant height of a cone is 26 m and base diameter is 20 m. Its heig...

    Text Solution

    |

  13. The curved surface area of a cone is 308 cm^2 and its slant height is ...

    Text Solution

    |

  14. A conical tent is 10 m high and the radius of its base is 24 m. The sl...

    Text Solution

    |

  15. The slant height and base diameter of a conical tomb are 25 m and 14 m...

    Text Solution

    |

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

    Text Solution

    |

  17. The curved surface area of a hemisphere of radius r is :

    Text Solution

    |

  18. Total surface area of a hemisphere of radius r is :

    Text Solution

    |

  19. The curved surface area of a sphere of radius 7 cm is :

    Text Solution

    |

  20. The curved surface area of a hemisphere of radius 21 cm is :

    Text Solution

    |