Home
Class 9
MATHS
Find the total surface area of a hemisph...

Find the total surface area of a hemisphere of radius 10 cm

Text Solution

Verified by Experts


Radius`=r=10 cm`
Total surface area of hemisphere`=3pir^2`
`3xx3.14xx10xx10 sqcm`
`=>3xx314=942sq.cm`
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME OF A RIGHT CIRCULAR CYLINDER CONE

    RD SHARMA|Exercise All Questions|128 Videos
  • TABULAR REPRESENTATION OF STATISTICAL DATA

    RD SHARMA|Exercise All Questions|62 Videos

Similar Questions

Explore conceptually related problems

Find the total surface area of a hemisphere of radius 10cm

Find the volume,curved surface area and the total surface area of a hemisphere of radius 10.5cm.

The total surface area of a hemisphere of radius 7 cm is

Find the volume , curved surface area and the total surface area of a hemisphere of radius 7 cm .

Find (i) the curved surface area and (ii) the total surface area of a hemisphere of radius 21cm.

Find the volume and the total surface area of a hemisphere of radius 3.5 cm. (U s e\ pi=(22)/7)

Find the total surface area of a hemisphere whose radius is 1 cm.

Find the total surface area of a hemispherical bowl of radius 5cm

Find the surface area and total surface area of a hemisphere of radius 21cm.

RD SHARMA-SURFACE AREA AND VOLUME OF A SPHERE -All Questions
  1. The diameter of the moon is approximately one-fourth of the diameter...

    Text Solution

    |

  2. Find the surface area of a sphere of radius 14cm.

    Text Solution

    |

  3. Find the total surface area of a hemisphere of radius 10 cm

    Text Solution

    |

  4. Find the radius of a sphere whose surface area is 154\ c m^2

    Text Solution

    |

  5. The hollow sphere, in which the circus motorcyclist performs his stu...

    Text Solution

    |

  6. Find the volume of a sphere whose surface area is 154 c m^2

    Text Solution

    |

  7. How many spherical bullets can be made out of a solid cube of lead who...

    Text Solution

    |

  8. If a sphere of radius 2r has the same volume as that of a cone wit...

    Text Solution

    |

  9. A metallic spherical shell of internal and external diameters 4 cm and...

    Text Solution

    |

  10. The surface area of a sphere of radius 5 cm is five times the curved s...

    Text Solution

    |

  11. In a sphere is inscribed in a cube, find the ratio of the volume of ...

    Text Solution

    |

  12. In a sphere the number of faces is 1         (b)  2      (c)  3 ...

    Text Solution

    |

  13. The total surface area of a hemisphere of radius r is pir^2 (b) 2pi...

    Text Solution

    |

  14. The ratio of the total surface area of a sphere and a hemisphere of ...

    Text Solution

    |

  15. A sphere and a cube are of the same height. The ratio of their volum...

    Text Solution

    |

  16. The largest sphere is cut off from a cube of side 6cm. The volume of...

    Text Solution

    |

  17. A cylindrical rod whose height is 8 times of its radius is melted and ...

    Text Solution

    |

  18. If the ratio of volumes of two spheres is 1:8, then the ratio of the...

    Text Solution

    |

  19. If the surface area of a sphere is 144pi\ m^2, then its volume (in...

    Text Solution

    |

  20. If a solid sphere of radius 10 cm is moulded into 8 spherical solid...

    Text Solution

    |