Home
Class 10
MATHS
An observer, 1.5m tall, is 28.5 m awa...

An observer, 1.5m tall, is 28.5 m away from a tower 30m high. Determine the angle of elevation of the top of the tower from his eye.

Text Solution

Verified by Experts

The correct Answer is:
`45^(@)`
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS

    EDUCART PUBLICATION|Exercise LONG ANSWER TYPE QUESTIONS |42 Videos

  • INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS

    EDUCART PUBLICATION|Exercise SHORT ANSWER (SA-I) TYPE QUESTIONS |15 Videos

  • COORDINATE GEOMETRY

    EDUCART PUBLICATION|Exercise LONG ANSWER (LA) TYPE QUESTIONS (4 MARKS) |7 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    EDUCART PUBLICATION|Exercise LONG ANSWER Type Questions [4 marks]|10 Videos

Similar Questions

Explore conceptually related problems

An observer,1.5m tall,is 28.5m away from a tower 30m high.Determine the angle of elevation of the top of the tower from his eye.

An observer,1.5m tall,is 20.5m away from a tower 22m high.Determine the angle of elevation of the top of the tower from the eye of the observer.

An observer 1.5 metres tall is 20.5 m away from a tower 22 metres high. Determine the angle of elevation of the top of the tower from the eye of the observer.

An observer 1.5 m tall is 28.5 m away from a tower and the angle of elevation of the top of the tower from the eye of the observer is 45^(@) . The height of the tower is

An observer 1.5m tall is 28.5m away from a chimney.The angle of elevation of the top of the chimney from her eyes is 45^(@) What is the height of the chimney?

An observer 1.5 m tall is 30 m away from a chimney. The angle of elevation of the top of the chimney from his eye is 60^(@) . Find the height of the chimney.

An observer 1.5 m tall is 20sqrt(3) m away from a chimney. The angle of elevation from the top of the chimney from his eyes is 30° and from bottom is 45°. Find the height of the chimney.

An observer who is 1.62m tall is 45m away from a pole . The angle of elevation of the top of the pole from his eyes is 30^(@) . The height ( in m ) of the pole is closest to :

An observer,1.6m tall,is 45 metres away from a tower.The angle of elevation from his eye to the top of the tower is 30^(@). Determine the height of the tower.[Take sqrt(3)=1.732]

EDUCART PUBLICATION-INTRODUCTION TO TRIGNOMETRY AND ITS APPLICATIONS -SHORT ANSWER (SA-II) TYPE QUESTIONS
  1. An observer, 1.5m tall, is 28.5 m away from a tower 30m high. Deter...

    Text Solution

    |

  2. In /\ABC, right angled at A, AC = 1.5 m, CB = 3 m and /ABC=theta find:...

    Text Solution

    |

  3. Prove that (sin theta - cos theta +1)/(sin theta + cos theta -1) = (...

    Text Solution

    |

  4. Prove that sqrt[(1+sinA)/(1 - sinA)] = secA + tanA

    Text Solution

    |

  5. Prove each of the following identities : (sin theta)/((1+ cos theta...

    Text Solution

    |

  6. If sin theta+cos theta=sqrt(2) then prove that tan theta+cot theta=2

    Text Solution

    |

  7. Prove that (cot theta + "cosec" theta -1 )/(cot theta - "cosec" thet...

    Text Solution

    |

  8. Prove : 2(sin^(6)theta+cos^(6)theta)-3(sin^(4)theta+cos^(4)theta)+1=0.

    Text Solution

    |

  9. If sin theta+cos theta=sqrt3, then prove that tan theta+cot theta=1

    Text Solution

    |

  10. Prove that : (sin^(4)theta- cos^(4) theta+ 1) "cosec"^(2)theta=2

    Text Solution

    |

  11. Prove that : (2 cos^(2) theta-cos theta)/(sin theta-2 sin^(3)theta)=...

    Text Solution

    |

  12. If tanA=(3)/(4), then show that sin A cos A=(12)/(25)

    Text Solution

    |

  13. Prove that: (tantheta/(1-tantheta))-(cottheta/(1-cottheta))=(costheta+...

    Text Solution

    |

  14. If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...

    Text Solution

    |

  15. Prove that: (tanA + tanB)/(cotA+cotB)=tanAtanB

    Text Solution

    |

  16. A ladder 15 metres long just reaches the top of a vertical wall. If th...

    Text Solution

    |

  17. Prove that: sqrt((sectheta -1)/(sec theta +1)) + sqrt((sec theta +1)/(...

    Text Solution

    |

  18. Prove that (sin theta + "cosec" theta)^(2)+(cos theta + sec theta)^(...

    Text Solution

    |

  19. Prove that: (1 + cot A - "cosec"A)(1 + tanA + secA) =2

    Text Solution

    |

  20. If 4 tan theta = 3, evaluate (4 sin theta - cos theta +1)/(4 sin theta...

    Text Solution

    |