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A 20 m high vertical pole and a vertical...

A 20 m high vertical pole and a vertical tower are on the same level ground in such a way that the angle of elevation of the top of the tower, as seen from the foot of the pole, is `60^(@)` and the angle of elevation of the top of the pole as seen from the foot of the tower is `30^(@)` . Find :
the height of the tower.

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The correct Answer is:
60 m
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A 20 m high vertical pole and a vertical tower are on the same level ground in such a way that the angle of elevation of the top of the tower, as seen from the foot of the pole, is 60^(@) and the angle of elevation of the top of the pole as seen from the foot of the tower is 30^(@) . Find : the horizontal distance between the pole and the tower.

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ICSE-HEIGHTS AND DISTANCES -Exercise 22 C
  1. A vertical tower stands on a horizontal plane and is surmounted by a v...

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  2. With reference to the given figure, a man stands on the ground at poin...

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  3. With reference to the given figure, a man stands on the ground at poin...

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  4. The angles of elevation of the top of a tower from two points at a dis...

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  5. From a window A , 10 m above the ground the angle of elevation of the...

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  6. A vertical tower is 20 m high. A man standing at some distance from th...

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  7. A man standing on the bank of a river observes that the angle of elev...

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  8. A man standing on the bank of a river observes that the angle of elev...

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  9. A 20 m high vertical pole and a vertical tower are on the same level g...

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  10. A 20 m high vertical pole and a vertical tower are on the same level g...

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  11. A vertical pole and a vertical tower are on the same level ground in ...

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  12. A vertical pole and a vertical tower are on the same level ground in ...

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  13. From a point 36 m above the surface of a lake , the angle of elevatio...

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  14. A man observes the angle of elevation of the top of a building to be 3...

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  15. As observed from the top of a 80 m tall lighthouse, the angle of dep...

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  16. In the given figure, A from the top of a building AB = 60 m high, the ...

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  17. In the figure given, from the top of a building AB = 60 m high, the an...

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  18. An aeroplane at an altitude of 250 m observes the angle of depression ...

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  19. The horizontal distance between two tower is 120 m. The angle of eleva...

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  20. The angles of depression of two ships a A and B as observed from the t...

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