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The angle of elevation of a ladder le...

The angle of elevation of a ladder leaning against a wall is `60o` and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is: (a) 2.3 m (b) 4.6 m (c) 7.8 m (d) 9.2 m

A

2.3 m

B

4.6 m

C

7.8 m

D

9.2 m

Text Solution

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-HEIGHTS AND DISTANCES -MULTIPLE CHOICE QUESTIONS
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  10. A man on the top of a vertical tower observes a car moving at a unifor...

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  11. The top of a 15 metre high tower makes an angle of elevation of 60o...

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  13. If a flag-staff of 6 m height placed on the top of a tower throws a sh...

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

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  15. A man standing on the bank of a river observes that the angle subte...

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  16. From the top of a lighthouse, 100 m high, the angle of depression of ...

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  17. If the height of a pole is 2sqrt(3) metres and the length of its sh...

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  19. If the angles of elevation of the top of a tower from two points dista...

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