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The altitude of the sun( the angle of de...

The altitude of the sun( the angle of depression) is 60°. If a vertical tower casts a shadow of length 30 m then find the height of the tower.

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KALYANI PUBLICATION-HEIGHT AND DISTANCE-EXERCISE
  1. The altitude of the sun( the angle of depression) is 60°. If a vertica...

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  2. The height of a tower is 10m.What is the length of its shadow when sun...

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  3. The angle of elevation of the top of a hill at the foot of the tower i...

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  4. A tree breaks due to storm and the broken part bends so that the top o...

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  5. A vertical post of height 5sqrt3m above the horizontal ground casts a ...

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  6. The angle of elevation of the top of a tower at a point on a level gro...

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  7. As observed from the top of a light house, 100m high above sea level, ...

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  8. The angle of elevation of the top of a tower as observed from a point ...

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  9. A man in a boat moving away from a light house 100m high takes 2 minut...

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  10. A man sitting at a height of 20m in a tall tree on a small island in t...

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  11. A boy standing on a horizontal plane find a bird flying at a distance ...

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  12. An aeroplane when flying at a height of 3125mfrom the ground passes ve...

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  13. From the top of a building 60m high the angle of depression of the top...

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  14. From the top of a building 60m high the angle of depression of the top...

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  15. A man is standing on the deck of a ship which is 25m above water level...

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  16. A man standing on the deck of a ship which is 10 m above the water lev...

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  17. From a window h m high above the ground in a street, the angles of ele...

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  18. If the angle of elevation of a cloud from a point h metre above the la...

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  19. The angle of elevation of a jet plane from a point P on the ground is ...

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  20. There are two poles on each on either bank of a river just opposite to...

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  21. From the top of a building 100m high ,the angle of depression of the t...

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