Home
Class 11
MATHS
From a point E on the horizontal due to ...

From a point E on the horizontal due to east of a tree, the top of the tree makes an angle of elevation `60^(@)`.From a point S on the horizsontal due west of the tree the same top makes an angle of elevation `30^(@)`. The angle of elevation made by the top of the tree at the mid point of ES is

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`40^(@)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HEIGHTS AND DISTANCES

    AAKASH SERIES|Exercise PRACTICE SHEET Exercise-I (Level-II) (Straight Objective Type Questions)|13 Videos

  • HEIGHTS AND DISTANCES

    AAKASH SERIES|Exercise LECTURE SHEET Exercise-I (Straight Objective Type Questions)|27 Videos

  • FUNCTIONS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|50 Videos

  • HYPERBOLIC FUNCTIONS

    AAKASH SERIES|Exercise PRACTICE SHEET EXERCISE-II (STRAIGHT OBJECTIVE TYPE QUESTIONS)|18 Videos

Similar Questions

Explore conceptually related problems

A tower makes an angle of elevation equal to the angle of depression from the top of a cliff 25m height. Find the heigh of the tower.

A person observed the top of a tree at an angle of elevation of 60^(@) when the observation point was 5m away from the foot of the tree. Draw a diagram for this data.

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

From the top of a 10 m height tree the angle of depression of a point on the ground is 30^@ then the distance of the point from the foot of the tree is

A T.V. tower stands vertically on the side of a road. From a point on the other side directly opposite to the tower the angle of elevation of the top of tower is 60^@ . From another point 10 m away from the point, on the line joining the point of the foot of the tower, the angle of elevation of the top of the tower is 30^@ . THe width of the road is......

If the shadow of a tree is (1)/(sqrt(3)) times the height of the tree, then the angle of elevation of the sun is

A tree stands vertically on the slant of the hills From a point A on the ground 35 meters. Down the hill from the base of the tree , the angle of elevation of the top of the tree is 60 ^(@) . If the angle of elevation of the foot of the tree A is 15 ^(@) , then the height of the tree.

A TV tower stands vertically on the side of a road. From a point on the other side directly opposite to the tower, the angle of elevation of the top of tower is 60^(@) . From another point 10 m away from this point, on the line joining this point to the foot of the tower, the angle of elevation of the top of the tower is 30^(@) . Find the height of the tower and the width of the road.

A person stading on the bank of a river observerves that the angle of elevation of the top of the tree on the opposite bank of the river is 60^(@) and when he retires 40 meters away from the tree the angle of elevation becomes 30^(@) . The breadth of the river is

AAKASH SERIES-HEIGHTS AND DISTANCES-PRACTICE SHEET Exercise-I (Level-I) (Straight Objective Type Questions)
  1. A tower subtends an angle alpha at a point A on the same level as the ...

    Text Solution

    |

  2. From the top of the hill h meers high the angles of depressinons of th...

    Text Solution

    |

  3. The angle of elevation of a stationar cloud from a point 2500 m above ...

    Text Solution

    |

  4. The angle of elevation of the top point P of a vertical tower PQ of he...

    Text Solution

    |

  5. The angle of elevation of the top of the tower is 45^(@) on walking up...

    Text Solution

    |

  6. A flag-staff stands on a tower which is on level ground. The total hei...

    Text Solution

    |

  7. A flag staff stands vertically on a pillar. The height of the flag sta...

    Text Solution

    |

  8. A tower stands at the top a hill whose height is three times the heigh...

    Text Solution

    |

  9. The upper 3/4th portion of a vertical pole subtends an angle tan^(-1)(...

    Text Solution

    |

  10. A verrical pole subtends an angle tan^(-1)"1/2 at a points P on the gr...

    Text Solution

    |

  11. A vertical pole more than 100ft high consists of two portions the lowe...

    Text Solution

    |

  12. A straight pole A subtend a right angle at a point B of another pole a...

    Text Solution

    |

  13. A tower of x metres high, has a flagstaff at its top. The tower and th...

    Text Solution

    |

  14. From a point E on the horizontal due to east of a tree, the top of the...

    Text Solution

    |

  15. A vertical pole subtends an angle Tan^-1(1/2) at a point P on the grou...

    Text Solution

    |

  16. The height of a hill is 3300 mts. From the point p on the ground the a...

    Text Solution

    |

  17. An aeroplane is moving one kilometer high from west to east horizontal...

    Text Solution

    |

  18. A spherical balloon of radius 5 subtends an angle 60^(@) at a point on...

    Text Solution

    |

  19. A person in aballoon, who has ascended verticallly from flat land at t...

    Text Solution

    |

  20. A sperical balloon of radius r subtends an angle alpha at the eye of a...

    Text Solution

    |