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The angle of elevation of the top of a t...

The angle of elevation of the top of a tower from the top and botton of a building of hight 'h' are `30^(@) and 45^(@)` respectively if the tower and building stand at the same level then the height of the tower is

A

`(h(3+sqrt3))/2`

B

`(h(3-sqrt3))/2`

C

`(h(1-sqrt3))/2`

D

`(h(1+sqrt3))/2`

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-HEIGHTS AND DISTANCES-PRACTICE SHEET (EXERCISE HEIGHTS AND DISTANCES) (LEVEL- I (MAIN) SINGLE ANSWER TYPE QUESTIONS)
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  8. A tower, of x metres high, has a flagstaff at its top. The tower and t...

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  9. From the top of a chiff 30 metres high, the angle of elevation of the ...

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

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

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  14. The angle of elevation of the top of a tower from the top and botton o...

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  15. The tops of two poles of heights 10 metres and 12 metres are connected...

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

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  17. P is a point on the segment joining the feet of two vertical poles of ...

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  18. If a flag staff of 6 mt high placed on the top of a tower throws a sha...

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  19. The elevation of top of a hill is observed from a certain point in the...

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  20. A tower subtends an angle alpha at a point A on the same level as the ...

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