Home
Class 10
MATHS
A sector is cut-off from a circle of rad...

A sector is cut-off from a circle of radius 21 cm. The angle of the sector is `120o` . Find the length of its arc and the area.

Promotional Banner

Topper's Solved these Questions

  • ARITHMETIC PROGRESSIONS

    RD SHARMA|Exercise All Questions|329 Videos

Similar Questions

Explore conceptually related problems

A sector is cut off from a circle of radius 21 cm. The angle of the sector is 150^(@) . Find the length of its arc and the area.

A sector is cut from a circle of radius 21cm. The angle of the sector is 150o. Find the length o its arc and area.

A sector is cut from a circle of radius 21 cm. The angle of the sector is 150^(@) . Find its area

A sector is cut from a circle of radius 21 cm. If the length of the arc of the sector is 55 cm, then what is the area of the sector? (Take pi = 22/7 )

A sector is cut from a circle of diameter 42 cm. If the angle of the sector is 150^@ then what is its area in . cm^2 (Take pi=(22)/(7) )

In a circle of radius 35cm, an arc subtends an angle of 72o at the centre.Find the length of the arc and area of the sector.

Find the area of a sector of a circle with radius 6cm if angle of the sector is 60^(@)

The area of a sector of a circle is 77 sq cm and the angle of the sector is 45^(@) . Find the radius of the circle.

The radius of a circle is 14 cm and the area of the sector is 102.7 cm^(2) . Find the central angle of the sector.

RD SHARMA-AREAS RELATED TO CIRCLES-All Questions
  1. The perimeter of a sector a circle of radius 5.7 m is 27.2 m. Find ...

    Text Solution

    |

  2. The perimeter of a certain sector of a circle of radius 5.7 m is 27....

    Text Solution

    |

  3. A sector is cut-off from a circle of radius 21 cm. The angle of the...

    Text Solution

    |

  4. The minute hand of a clock is sqrt(21) cm long. Find the area descr...

    Text Solution

    |

  5. In a circle of radius 6 cm, a chord of length 10 cm makes an angle ...

    Text Solution

    |

  6. In a circle of radius 6 cm, a chord of length 10 cm makes an angle ...

    Text Solution

    |

  7. Fig. 15.17, shows a sector of a circle, centre O , containing an an...

    Text Solution

    |

  8. Find the area of the segment of a circle, given that the angle of t...

    Text Solution

    |

  9. A chord A B of a circle of radius 15 cm makes an angle of 60o at ...

    Text Solution

    |

  10. In a circle of radius 21 cm, an arc subtends an angle of 60o at ...

    Text Solution

    |

  11. A B is a chord of a circle with centre O and radius 4 cm. A B is...

    Text Solution

    |

  12. A chord P Q of length 12 cm subtends a angle of 120^o at the centr...

    Text Solution

    |

  13. A chord of a circle of radius 14 cm makes a right angle at the cent...

    Text Solution

    |

  14. A chord A B of a circle, of radius 14 cm makes an angle of 60^@ at ...

    Text Solution

    |

  15. Find the area of the shaded region in Fig. 15.29, where radii of th...

    Text Solution

    |

  16. A B and C D are respectively arcs of two concentric circles of radi...

    Text Solution

    |

  17. In Fig. 15.35, A O B C A represents a quadrant of a circle of radius ...

    Text Solution

    |

  18. A square park has each side of 100 m. At each corner of the park, t...

    Text Solution

    |

  19. Four equal circles are described about the four corners of a square...

    Text Solution

    |

  20. Find the areas of the shaded region in the Fig. 15.39.  (FIGURE)

    Text Solution

    |