Home
Class 10
MATHS
The central anglé of a sector is 288^cir...

The central anglé of a sector is `288^circ`. If this sector is rolled up to make a cone, Fnd the ratio between the radius and slant height of the cone.

Promotional Banner

Topper's Solved these Questions

  • SECOND DEGREE EQUATIONS

    V PUBLICATION|Exercise QUESTION BANK|61 Videos
  • STATISTICS

    V PUBLICATION|Exercise QUESTION BANK|28 Videos

Similar Questions

Explore conceptually related problems

A sector of radius 12 centimetres and central angle 120^o is rolled up into a cone.Find the radius and the height of the cone.

Find the ratio between the radius and slant height of a cone by rolling up a sector with central angle 120^circ . If the curved surface area is '108 pi'. - Find the radius and slant height of the cone.

A sector of central angle 216^circ and radius '25 cm' has been rolled up to a make a cone. Find the radius, height and volume of the cone.

What is the central angle of the sector to be used to make a cone of base. radius 10 centimetres and slant height 25 centimétres?

The central angle of a circle is divided in the ratio 2:3 to form two sectors. Two cones are made by rolling up the two sectors.Find out the ratio between the base perimeters of the cones.

A sector of radius 12 centimetres and central angle 120^o is rolled up into a cone.What is the slant height of the cone?

A sector of central anigle '45 degree' is cut out from a circle of radius, 12 centimetres, and it is rolled into a cone. What is the radius of the base of this cone and what is its slant height?

What is the central angle of the sector to be used to make a cone of base radius sqrt2 centimetres and height 4 centimetres?

A cicular sheet of paper is devided into two sectors. Central angle of one of them is 160^o .If the radius of the small cone is 8 centimetres What is the slant height of the cones?

A sector of radius '15 cm' and central angle 144^circ is folded in such a way as to make a cone. What is the slant heighit of the.cone. Calculate volume.

V PUBLICATION-SOLIDS-QUESTION BANK
  1. Prove that for a cone made by rolling up a semicircle, the curved surf...

    Text Solution

    |

  2. The radius of a cone is '5 cm', slant height '13 cm'. Calculate its h...

    Text Solution

    |

  3. The central anglé of a sector is 288^circ. If this sector is rolled up...

    Text Solution

    |

  4. The ratio between the radius and slant height of a cone is '2: 3'. F...

    Text Solution

    |

  5. The central angle of a circle is divided in the ratio 2:3 to form two ...

    Text Solution

    |

  6. Find the ratio between the radius and slant height of a cone by rollin...

    Text Solution

    |

  7. The base-radius and height of a cylindrical block of wood are 15 centi...

    Text Solution

    |

  8. The base radius and height of a solid metal cylinder are 12 centimetre...

    Text Solution

    |

  9. A sector of central angle 216^circ and radius '25 cm' has been rolled ...

    Text Solution

    |

  10. The base-radii of two cones are in the ratio '3: 5' and their heights ...

    Text Solution

    |

  11. Two cones have the same volume and their base - radiị are in...

    Text Solution

    |

  12. A sector of radius '15 cm' and central angle 144^circ is folded in suc...

    Text Solution

    |

  13. Calculate the surface area and volume of a sphere of radius '3 cm .'

    Text Solution

    |

  14. The ratio between the radius and slant height of a cone is '2: 3'. F...

    Text Solution

    |

  15. A sector of central angle 216^circ and radius '25 cm' has been rolled ...

    Text Solution

    |

  16. The radius and height of wax made cylinder are '6 cm' and '12 cm' resp...

    Text Solution

    |

  17. What is the surface area of the largest sphere that can be carved out ...

    Text Solution

    |

  18. A solid sphere of radius 12 centimetres is cut into two equal halves. ...

    Text Solution

    |

  19. A water tank is in the shape of a hemisphere attached to a cylinder. I...

    Text Solution

    |

  20. The surface: area of a solid sphere is 120 square centimetres. If it i...

    Text Solution

    |