Home
Class 11
MATHS
If the arcs of the same length in two ci...

If the arcs of the same length in two circles subtend angles `60^@` and `90^@` at their centres . Find the ratio of radii.

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    A N EXCEL PUBLICATION|Exercise QUESTION BANK|167 Videos

Similar Questions

Explore conceptually related problems

If the arcs of the same lengths in the two circles subtend angles 65^@ and 110^@ at the centre, find the ratio of their radii.

If two circles arc of the same length subtend angles 60^@ and 75^@ at the centre , Find the ratio of their radii.

If an arc of length l of a circle of radius r subtends an angle theta radians at the centre what is the relation connecting l , r , theta

Prove that chords of the same length in a circle are at the same distance from the centre.

A N EXCEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
  1. A wheel makes 180 revolutions per minute.Through how many radians does...

    Text Solution

    |

  2. Find the angle between the minute hand of a clock and hour hand when t...

    Text Solution

    |

  3. If the arcs of the same length in two circles subtend angles 60^@ and ...

    Text Solution

    |

  4. Find the radian measure corresponding to the following degree measures...

    Text Solution

    |

  5. Convert the following degree measure into radian measure. -47^@ 30^'

    Text Solution

    |

  6. Find the radian measure corresponding to the following degree measures...

    Text Solution

    |

  7. Find the radian measure corresponding to the following degree measures...

    Text Solution

    |

  8. Find the degree measures corresponding to the following radian measure...

    Text Solution

    |

  9. Find the degree measures corresponding to the following radian measure...

    Text Solution

    |

  10. Find the degree measures corresponding to the following radian measure...

    Text Solution

    |

  11. Find the degree measures corresponding to the following radian measure...

    Text Solution

    |

  12. A wheel makes 360 revolutions in one minute. Through how many radians ...

    Text Solution

    |

  13. Find the degree measures of the angle subtended at the centre of a cir...

    Text Solution

    |

  14. In a circle of diameter 40 cm, the length of a cord is 20 cm. Find the...

    Text Solution

    |

  15. If two circles arc of the same length subtend angles 60^@ and 75^@ at ...

    Text Solution

    |

  16. Find the angle in radian through which a pendulum swings if its length...

    Text Solution

    |

  17. Find the angle in radian through which a pendulum swings if its length...

    Text Solution

    |

  18. Find the angle in radian through which a pendulum swings if its length...

    Text Solution

    |

  19. Express 105^@ in radian.

    Text Solution

    |

  20. A horse is tied to a stake by a rope 30 m long. If the horse move alon...

    Text Solution

    |