Home
Class 11
MATHS
A person observes the top of a tower fro...

A person observes the top of a tower from a point A on the ground. the elevation of the tower from this point is `60^(@)`. He moves 60 m in the direction prpendicular to the line joining A and base of the tower. The angle of elevation of the tower from this point is `45^(@)`. Then the height of the tower (in meters) is _____

A

`60 sqrt((3)/(2))`

B

`60 sqrt(2)`

C

`60 sqrt(3)`

D

`60 sqrt((2)/(3))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • REVISION EXERCISE

    AAKASH SERIES|Exercise HYPERBOLIC FUNCTIONS|10 Videos

  • REAL FUNCTIONS

    AAKASH SERIES|Exercise EXERCISE-1|34 Videos

  • STRAIGHT LINES

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL-II (ADVANCED) PRACTICE SHEET (ADDVANCED)) (Comprehension Type Questions)|6 Videos

Similar Questions

Explore conceptually related problems

If the angle of elevation of a tower from a distance of 100 m from its foot is 60^(@) . Then the height of the tower is ……….m.

From a point 30 mts from the foot of a tower, the angle of elevation of the top is 30^@ . The height of the tower is………..

The angle of elevation of tower at a point 40m apart form it is cot^(-1)(3/5) . Obtain the height of the tower.

The angle of elevation of a tower from a point on the same level as the foot of the tower is 30^@ on advancing 150 meters towarsd the foot of the tower, the angle of elevation of the tower becomes 60^@ . Find the height of the tower.

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 tower stands vertically on the ground. From a point which is 15 meter away from the foot of the tower, the angle of elevation of the top of the tower is 45^(@) . What is the height of the tower?

The angle of elevation of the top of the tower is 45^(@) on walking up a slope inclinde at an angle of 30^(@) to the horizontal a distance 20 meters, the angle of elevation of top of tower is observed to be 60^(@) . The height of the tower is

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 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......

From the top of a building 60 m high the angle of elevation of the top of a tower is found to be angle of depression of the foot of the tower. The height of the tower in meter is

AAKASH SERIES-REVISION EXERCISE-PROPERTIES OF TRIANGLES
  1. Ratio of area of the incircle to the area of triangle ABC

    Text Solution

    |

  2. If the area of the triangle ABC is a^(2)-(b-c)^(2) then its circumradi...

    Text Solution

    |

  3. If for DeltaABC, cotA cotB cotC gt0 then the triangle is

    Text Solution

    |

  4. In Delta ABC, if c(a+b) cos B//2=b (a+c) cos C//2, then the triangle i...

    Text Solution

    |

  5. In DeltaABC if tan A+ c tan C=(a+c) not ((B)/(2)) then the triangle i...

    Text Solution

    |

  6. The area of the right angled triangle in terms of its circum radius an...

    Text Solution

    |

  7. The angle of elevation of the top of the tower observed from each of t...

    Text Solution

    |

  8. ABC is a triangular park with AB=AC=100 meters. A clock tower is situa...

    Text Solution

    |

  9. A Tower stands at the centre of a circular park. A and B are two point...

    Text Solution

    |

  10. If each side of length a of an equilateral triangle subtends an angle ...

    Text Solution

    |

  11. A pole of height h stands at one corner of a park in the shape of an e...

    Text Solution

    |

  12. A tower of height h standing at the centre of a square with sides of l...

    Text Solution

    |

  13. The elevation of a tower due north of a station A is alpha and at anot...

    Text Solution

    |

  14. The height of the tower vertically at the ortho centre of the triangle...

    Text Solution

    |

  15. Assertion (A) : In a Delta ABC if r(1)=2r(2)=3r(3) then a:b=5:4 Reas...

    Text Solution

    |

  16. In any triangle ABC, r(1),r(2)+r(2)r(3)+r(3)r(1)=....

    Text Solution

    |

  17. A person observes the top of a tower from a point A on the ground. the...

    Text Solution

    |

  18. ABCD is a trapezium such that AB and CD are parallel and BC bot CD. If...

    Text Solution

    |

  19. IF the angles of triangle are in the ratio 1:1:4 then the ratio of the...

    Text Solution

    |

  20. A bird is sitting on the top of a vertical pole 20 m high and its elev...

    Text Solution

    |