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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+sqrt(3)))/(2)`

B

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

C

`(h(1-sqrt(3)))/(2)`

D

`(h(1+sqrt(3)))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
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AAKASH SERIES-HEIGHTS AND DISTANCES-PRACTICE SHEET Exercise-I (Level-I) (Straight Objective Type Questions)
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  7. The length of the shadow of vertical pole of height h, thrown by the s...

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

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  9. From the top of a tree, a man observes the angle of deppression of a p...

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

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

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

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

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

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

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

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

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

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

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

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