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From the top of a building, the angle of...

From the top of a building, the angle of elevation of the top of a cell tower is `60^(@)` and the angle of depression to its foot is `45^(@)`. If distance of the building from the tower is 7m, then find the height of the tower.

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BEYOND PUBLICATION-APPLICATIONS OF TRIGNOMETRY-EXERCISE
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  8. A man on the top of a cliff 100 mts high, observes the angle of depres...

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  9. The angles of elevation of the top of a rock from the top and foot of ...

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

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

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  13. From the top of a cliff 60 mt high, the angles of depression of top an...

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

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

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

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

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

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

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

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

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