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A radio transmitter antenna of height 10...

A radio transmitter antenna of height 100 m stands at the top of a tall building. At a point on the ground, the angle of elevation of bottom of the antenna is `45^@` and that of top of antenna is `60^@`. What is the height of the building ?

A

100 m

B

50 m

C

`50(sqrt(3)+1)m`

D

`50(sqrt(3)-1)m`

Text Solution

Verified by Experts

The correct Answer is:
C
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LUCENT PUBLICATION-HEIGHT AND DISTANCE-EXERCISE-12A
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  10. The angles of elevation of the top of a tower from two points situated...

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  11. The angle of elevation of the top of an unfinished tower at a distance...

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  12. The shadow of a tree is 16 meter when elevation of Sun is 60^(@). What...

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  15. A man stands at the end point of the shadow of a pole. He measure that...

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  16. The angle of depression of vertices of a regular hexagon lying in a pl...

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  17. Two poles, one is double in length of other, are standing opposite to ...

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  18. The angle of elevation of top of a house from top and bottom of tree a...

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  19. At a point on a horizontal line through the base of a monument ...

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  20. The angle of elevation of the to of a tower from a point A on the grou...

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