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In a cubicul hall ABCDPQRS with each sid...

In a cubicul hall `ABCDPQRS` with each side `10m, G` is the centre of the walls `BCRQ and T` is the midpoint of the side `AB,` the angle of elevation of `G` at the Point `T` is

A

`sin^(-1) (1//sqrt(3))`

B

`cos^(-1) (1//sqrt(3))`

C

`tan^(-1) (1//sqrt(3))`

D

`cot^(-1) (1//sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
A
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MCGROW HILL PUBLICATION-HEIGHTS AND DISTANCES -SOLVED EXAMPLES (LEVEL 1 ( SINGLE CORRECT ANSWER TYPE QUESTIONS ))
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  2. Two flagstaffs stand on a horizontal plane. A and B ar etwo points on ...

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  3. In a cubicul hall ABCDPQRS with each side 10m, G is the centre of the ...

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  4. Two vertical poles of heights, 20 m and 80 m stand apart on a horizont...

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  5. A man from the top of a 100 metres high tower observes a car moving to...

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  6. A pole stands vertically , inside a triangular park triangleABC. If th...

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  7. A man observes that the angle of elevation of the top of a tower from ...

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  8. A vertical pole subtends an angle tan^-1 (1/2) at apoint P on the grou...

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  9. An aeroplane flying at a height 300 metre above the ground passes vert...

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  10. A pole of height h stands at one corner of a park of the shape of an e...

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  11. Each side of an equilateral triangle subtends an angle of 60^(@) at th...

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  12. A pole of 50 meter high stands on a building 250 m high. To an observe...

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  13. Two vertical poles of height a and b subtend the same angle 45^(@) at ...

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  14. A monument ABCD stands at A on a level ground. At a point P on the gro...

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  15. A vertical tower CP subtends the same angle theta, at point B on the h...

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  16. A man on the ground observes that the angle of elevation of the top of...

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  17. A statue, standing on the top of a pillar 25 m high, subtends an angle...

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  18. A tower BCD surmounted by a spire DE stands on a horizontal plane. At ...

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  19. A lamp post standing at a point A on a circular path of radius r subte...

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  20. A tree is broken by wind, its upper part touches the ground at a point...

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