Home
Class 9
MATHS
The height of a cone is 21cm. Find the a...

The height of a cone is 21cm. Find the area of the base if the slant height is 28cm.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER

    RD SHARMA ENGLISH|Exercise All Questions|133 Videos
  • SURFACE AREA AND VOLUME OF A SPHERE

    RD SHARMA ENGLISH|Exercise All Questions|140 Videos

Similar Questions

Explore conceptually related problems

The height of a cone is 24 cm and radius of base is 7 cm. Find its salant height.

Find the area of a triangle with base 15 cm and height 8 cm.

Find the area of a triangle with base = 18 cm and height = 12 cm.

A wooden toy is in the shape of a cone mounted on a cylinder as shown alongside If the height of the cone is 24 cm the total height of the toy is 60 cm and the radius of the base of the cone= twice the radius of the base of the cylinder = 10 cm .Find the total surface area of the you.

The height of a cone is 7 cm and its radius of base is 3 cm. Find its volume.

A wooden toy is in the shape of a cone mounted on a cylinder as shown alongside. If the height of the cone is 24 cm, the total height of the toy is 60 cm and the radius of the base of the cone = twice the radius of the base of the cylinder = 10 cm, find the total surface area of the toy. Take pi = 3.14]

The surface area of a solid metallic sphere is 616\ c m^2 . It is melted and recast into a cone of height 28 cm. Find the diameter of the base of the cone so formed (Use pi=22//7 )

The height of a right circular cone is 7 cm and radius is 24 cm. Find the slant height of the cone.

Find the volume of a cone having radius of the base 35 cm and slant height 37 cm.

The volume of a right circular cone is 9856 cm^3 . If the diameter of the base is 28 cm. Find (i) height of the cone (ii) slant height of the cone (iii) curved surface area of the cone

RD SHARMA ENGLISH-SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER CONE-All Questions
  1. The radius of a cone is 5cm and vertical height is 12cm. Find the a...

    Text Solution

    |

  2. The radius of a cone 7cm and area of curved surface is 176\ c m^2 ....

    Text Solution

    |

  3. The height of a cone is 21cm. Find the area of the base if the slan...

    Text Solution

    |

  4. Find the total surface area of a right circular cone with radius 6c...

    Text Solution

    |

  5. Find the curved surface area of a cone with base radius 5.25cm and ...

    Text Solution

    |

  6. Find the total surface area of a cone, if its slant height is 21 m ...

    Text Solution

    |

  7. The area of the curved surface of a cone is 60pi\ c m^2dot If the sl...

    Text Solution

    |

  8. The radius and slant height of a cone are in the ratio of 4:7. If i...

    Text Solution

    |

  9. A joker’s cap is in the form of a right circular cone of base radiu...

    Text Solution

    |

  10. Find the ratio of the surface areas of two cones if their diameters...

    Text Solution

    |

  11. There are two cones. The curved surface area of one is twice that o...

    Text Solution

    |

  12. The diameters of two cones are equal. If their slant heights are in ...

    Text Solution

    |

  13. Curved surface area of a cone is 308\ c m^2 and its slant height is 14...

    Text Solution

    |

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

    Text Solution

    |

  15. A conical tent is 10m high and the radius of its base is 24m. Find t...

    Text Solution

    |

  16. A tent is in the form of a right circular cylinder surmounted by a ...

    Text Solution

    |

  17. A circus tent is cylindrical to a height of 3 metres and conical ab...

    Text Solution

    |

  18. The circumference of the base of a 10m high conical tent is 44 metr...

    Text Solution

    |

  19. What length of tarpaulin 3m wide will be required to make a conical...

    Text Solution

    |

  20. A bus stop is barricaded from the remaining part of the road, by us...

    Text Solution

    |