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In a prison wall there is a window of 1 metre height, 14 metres from the ground. An observer standing at a distance from the wall finds the angle of elevation of the top of the window and the top of the wall to be `45^(@)` and `60^(@)` respectively. The height of the wall above the window is

A

`15sqrt(3)`

B

`15(1-(1)/(sqrt(3)))`

C

`15(sqrt(3)-1)`

D

`14(sqrt(3)-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-HEIGHTS AND DISTANCES-PRACTICE SHEET Exercise-I (Level-I) (Straight Objective Type Questions)
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  18. A flag-staff stands on a tower which is on level ground. The total hei...

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