Home
Class 10
MATHS
A man is 28.5 m away from a tower. His e...

A man is 28.5 m away from a tower. His eye level above the ground is 1.5m. The angle of elevation of the tower from his eyes is `45^(@)`. Then the height of the tower is …………. .

A

30m

B

27.5m

C

28.5m

D

27m

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (II)|18 Videos

  • TRIGONOMETRY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (III)|17 Videos

  • TRIGONOMETRY

    FULL MARKS|Exercise UNIT EXERCISE|9 Videos

  • STATISTICS AND PROBABILITY

    FULL MARKS|Exercise Additional question solved|65 Videos

Similar Questions

Explore conceptually related problems

An observer of height 1.8 m is 13.2 m away from a palm tree. The angle of elevation of the top of the tree from his eyes is 45^(@) What is the height of the palm tree?

If the angle of elevation of the top of a tower at a distance 500 metres from its foot is 30^@ then the height of the tower is

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 a tower at a point on the ground 50m away from the foot of the tower is 45^(@) . Then the height of the tower ( in meters ) is ………. .

A pole 5 m high is fixed on the top of a tower. The angle of elevation of the top of the pole observed from a point 'A' on the ground is 60^(@) and the angle of depression to the point 'A' from the top of the tower is 45^(@) . Find the height of the tower. (sqrt(3)=1.732)

AB is a vertical pole with B at the ground level and A at the top . A man finds that the angle of elevation of the point A from a certain point C on the ground is 60^@ . He moves away from the pole along the line BC to a point D such that CD = 7 m . from D the angle of elevation of the point A is 45 then the height of the pole is

A man sees the top of a tower in a mirror which is at a distance of 87.6 m from the tower. The mirror is on the ground , facing upward. The man is 0.4 m away from the mirror and the distance of his eye level from the ground is 1.5 m . How tall is the tower ? (The foot of man, the mirror and the foot of the tower lie along a straight line )

The angle of elevation of the top of a vertical tower standing on a horizontal plane is observed to be 45^(@) from a point A on the plane. Let B be the point 30 m vertically above the point A. If the angle of elevation of the top of the tower from B be 30^(@) , then the distance then the distance (in m) of the foot of the tower from the point A is

FULL MARKS-TRIGONOMETRY-ADDITIONAL QUESTIONS SOLVED
  1. cos^(4)x-sin^(4)x=……….. .

    Text Solution

    |

  2. If tantheta=a/x, then the value of x/(sqrt(a^(2)+x^(2))) =………… .

    Text Solution

    |

  3. If x=asectheta,y=btantheta, then the value of x^(2)/a^(2)-y^(2)/b^(2)=...

    Text Solution

    |

  4. sectheta/(cottheta+tantheta)=………… .

    Text Solution

    |

  5. (sin(90^(@)-theta)sintheta)/tantheta + (cos(90^(@)-theta)costheta)/cot...

    Text Solution

    |

  6. In the adjoining figure, AC = ……….. .

    Text Solution

    |

  7. In the adjoining figure, / ABC = ……….. .

    Text Solution

    |

  8. A man is 28.5 m away from a tower. His eye level above the ground is 1...

    Text Solution

    |

  9. In the adjoining figure, sintheta=15/17. Then BC=……… .

    Text Solution

    |

  10. (1+tan^(2)theta)(1-sintheta)(1+sintheta)=………… .

    Text Solution

    |

  11. (1+cot^(2)theta)(1-costheta)(1+costheta)=……… .

    Text Solution

    |

  12. (cos^(2)theta-1)(cot^(2)theta+1)+1=………….. .

    Text Solution

    |

  13. (1+tan^(2)theta)/(1+cot^(2)theta)=

    Text Solution

    |

  14. The value of sin^(2)theta+(1)/(1+tan^(2)theta) is equal to

    Text Solution

    |

  15. 9tan^(2)theta-9sec^(2)theta=………… .

    Text Solution

    |

  16. If the ratio of the height of a tower and the length of its shadow is ...

    Text Solution

    |

  17. A ladder makes an anglesof 60^(@) with the ground when placed against ...

    Text Solution

    |

  18. The angle of depression of a car parked on the road from the top of th...

    Text Solution

    |

  19. the angle of elevation of the top of a tower at a point on the ground ...

    Text Solution

    |

  20. If x=acostheta and y=bsintheta then b^(2)x^(2)+a^(2)y^(2)= …………. .

    Text Solution

    |