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The shadow of a tower standing on a level ground is found to be 40 m longer when sun's altitude is `30^@` then when it was `60^@`. Find the height of the tower.

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BEYOND PUBLICATION-APPLICATIONS OF TRIGNOMETRY-EXERCISE
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  2. The angles of elevation of the top of a rock from the top and foot of ...

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  3. The shadow of a tower standing on a level ground is found to be 40 m l...

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  4. The angle of elevation of a tower from a point on the same level as th...

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  7. If a pole 6 m high casts a shadow 2sqrt(3)m long on the ground. Then t...

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  8. If the angle of elevation of a tower from a distance of 100 m from its...

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  9. The height of a tower is 10m. The length of its shadow when sun's alti...

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  10. The length of the shadow of a tower on the plane ground is sqrt(3) tim...

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  11. The ratio of the length of a rod and its shadow is 1:sqrt(3), then th...

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  12. If two towers of height X and Y subtend angles of 30^(@)" and "60^(@) ...

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  13. A wall of 8m long casts a shadow 5m long. At the same time, a tower ca...

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  14. If the sun's angle of elevation is 60^(@). Then a pole of height 6m wi...

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  15. A pole of 12m high casts a shadow 4sqrt(3)m on the ground. Then the su...

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  16. If the height and length of the shadow of a man are the same, then the...

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  17. What is the angle of elevation of the top of a temple of height 10 m a...

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  18. The length of the shadow of 5 m height tree whose angle of elevation o...

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  19. From the top of a 10 m height tree the angle of depression of a point ...

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  20. Ladder 'x' meters long is laid against a well making an angle 'theta' ...

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