Home
Class 10
MATHS
A wire of length 18m had been tied with ...

A wire of length 18m had been tied with electric pole at an angle of elevation `30^(@)` with the ground. As it is covering a long distance, it was cut and tied at an angle of elevation `60^(@)` with the ground. How much length of the wire was cut?

Promotional Banner

Topper's Solved these Questions

  • APPLICATIONS OF TRIGONOMETRY

    VGS PUBLICATION-BRILLIANT|Exercise MODEL EXAMINATION|89 Videos

  • APPENDIX MATHEMATICAL MODELLING

    VGS PUBLICATION-BRILLIANT|Exercise THINK & DISCUSS|1 Videos

  • COORDINATE GEOMETRY

    VGS PUBLICATION-BRILLIANT|Exercise CCE model examination|151 Videos

Similar Questions

Explore conceptually related problems

A wire of length 25 m had been tied with electric pole at an angle of elevation 30^@ with the ground. Because it was covering a long distance, it was cut and tied at an angle of elevation 60^@ with the ground how much length of the wire was cut.

An electric pole 20m high stands up right on the ground with the help of steel wire to its top and affixed on the ground. If the steel wire makes 60^(@) with the horizontal ground, find the length of steel wire.

A boy observed the top of an electrical pole to be at angle of elevation of 60^(@) when the observation point is 8m away from the foot of the pole then the height of the pole is……….m.

The length of the shadow of 5 m height tree whose angle of elevation of the Sun is 30^@ is ?

A contractor wants to set up a slide for the children to play in the park. Hed wants to set it up at the height of 2m and by making an angle of 30^(@) with the ground. What should be the length of the slide?

The length of the shadow of a tree is 8 m long when the sun's angle of elevation is 45^(@) is………….m.

From a point on the level ground, the angle of elevation of the top of a pole is 30^@ . On moving 20 metres nearer, the angle of elevation is 45^@ . Then the height of the pole, in metres , is

From a point on the level ground , the angel of elevation of the top of a pole is 30^(@) . On moving 20 meters nearer, the angle of elevation is 45^(@) . Then the height of the pole, in meters, is

If the sun's angle of elevation is 60^(@) . Then a pole of height 6m will cast a shadow of length……….m.

An aeroplane flying horizontally 1 km above the ground is observed at an elevation of 60^(@) . After a flight of 10 seconds, its angle of elevation is observed to be 30^(@) from the same point on the ground. Find the speed of the aeroplane.

VGS PUBLICATION-BRILLIANT-APPLICATIONS OF TRIGONOMETRY-EXERCISE
  1. A statue stands on the top of a 2m tall pedestal. From a point on the ...

    Text Solution

    |

  2. From the top of a building, the angle of elevation of the top of a cel...

    Text Solution

    |

  3. A wire of length 18m had been tied with electric pole at an angle of e...

    Text Solution

    |

  4. The angle of elevation of the top of a building from the foot of the t...

    Text Solution

    |

  5. Two poles of equal height are standing opposite to each other on eithe...

    Text Solution

    |

  6. The angle of the elevation of the top of a tower from two points at ...

    Text Solution

    |

  7. The angle of elevation of a jet plane from a point A on the ground is ...

    Text Solution

    |

  8. The angle of elevation of the top of a tower from the foot of the buil...

    Text Solution

    |

  9. A 1.2m tall girl spots a balloon moving with the wind in a horizontal ...

    Text Solution

    |

  10. The angles of elevation of the top of a lighthouse from 3 boats A,B an...

    Text Solution

    |

  11. Inner part of a cupboard is in the cuboidical shape with its length, b...

    Text Solution

    |

  12. An iron spherical ball of volume 232848 cm^3 has been melted and conve...

    Text Solution

    |

  13. Show that the area of an Isosceles triangles is A=a^2SinthetaCostheta ...

    Text Solution

    |

  14. A right circular cylindrical tower, height 'h' and radius 'r', stands ...

    Text Solution

    |

  15. A person from the top of a building of height 25 m has observed anothe...

    Text Solution

    |

  16. A person observed the top of a tree at an angle of elevation of 60^(@)...

    Text Solution

    |

  17. If the angle of elevation of sun increases from '0' to 90 then the len...

    Text Solution

    |

  18. If a tower of height 'h' is observed from a point with a distance 'd' ...

    Text Solution

    |

  19. A pole and its shadow have same length, find the angle of the sun ray ...

    Text Solution

    |

  20. A ladder of 3.9 m length is laid against a wall. The distance between ...

    Text Solution

    |