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A circus artist is climbing a 20m long r...

A circus artist is climbing a 20m long rope, which is tightly stretched and tied from the top of a vertical pole to the ground.Find the height of the pole, if the angle made by the rope with the ground levelis `30^(@)` ( see Figure)

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The correct Answer is:
AB=10m
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OSWAAL PUBLICATION-SOME APPLICATION OF TRIGONOMETRY-TEXTBOOK CORNER EXERCISE 12.1
  1. A circus artist is climbing a 20m long rope, which is tightly stretche...

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  2. A tree breaks due to storm and the briken part bends so that the top o...

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  3. A contractor plans to install two slides for the children to the play ...

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  4. The angle of elevation of the top of a tower from a point on the groun...

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  5. A kite is flying at a height of 60 m above the ground. The string atta...

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  6. A 1.5 m tall boy is standing at some distance from a 30 m tall buildin...

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  7. From a point on the ground, the angles of elevation of the bottom and ...

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  8. A statue, 1.6 m tall, stands on the top of a pedestal. From a point on...

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  9. The angle of elevation of the top of a building from the foot of the t...

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  10. Two poles of equal heights are standing opposite each other on either ...

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  11. A TV tower stands vertically on a bank of a canal. From a point on the...

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  12. From the top of a 7m high building, the angle of elevation of the top ...

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  13. As observed from the top of a 75 m high lighthouse from the sea-level,...

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  14. A 1.2 m tall girl spots a balloon moving with the wind in a horizontal...

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  15. A straight highway leads to the foot of a tower. A man standing at the...

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  16. The angle of elevation of the top of a tower from two points at a dist...

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