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.A house of height 100 m substends a right angle at the window of an opposite house. If the height of the window is 64 m, then the distance between the two houses is

A

48 m

B

36 m

C

54 m

D

72 m

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The correct Answer is:
A
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OBJECTIVE RD SHARMA-HEIGHTS AND DISTANCES-Exercise
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  4. A tower of height b substends an angle at a point O on the leavel of t...

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  7. A ladder rests against a vertical wall at angle alpha to the horizonta...

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  10. A person standing on the bank of a river finds that the angle of elev...

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  14. The angle of elevation of the top of a vertical tower from two points ...

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  15. An aeroplane flying horizontally , 1km above the ground , is observed...

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  16. At the foot of the mountain the elevation of its summit is 45^@, after...

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  17. At a distance 12 metres from the foot A of a tower AB of height 5 met...

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  18. A tower 50 m high , stands on top of a mount, from a point on the grou...

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