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A man observes top of a tower at an angl...

A man observes top of a tower at an angle of elevation of `30^@`. When he walked 40 m towards the tower, the angle of elevation is changed to `60^@` Find the height of the tower and distance from the first observation point to the tower.

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VGS PUBLICATION-BRILLIANT-APPLICATIONS OF TRIGONOMETRY-EXERCISE
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  2. Two men on either side of a temple of 30 meter height observe its top ...

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  3. A man observes top of a tower at an angle of elevation of 30^@. When h...

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  4. A flag pole 4 cm tall casts a 6m, shadow. At the same time , a nearby ...

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  5. A pole is arranged from a height of 30m from the ground, making 60^(@)...

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  6. A long pole is broken in a storm. Top end of the broken pole touched t...

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  7. A kite is flown from a building with a height (h) m with a long rope. ...

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  8. A person observes tops of two buildings with an angle of elevations 35...

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  9. A 15 m long pole forms 5sqrt(3) m long shadow at 8 AM in the morning. ...

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

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  11. Two persons A and B observe the top of a pole at an angle of elevation...

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  12. Top of a building was observed at an angle of elevation alpha from a p...

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  13. If the angle of elevation of sun increases from 0^(@)" to "90^(@), the...

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  14. The angle of depression from the top of a tower 12m height, at a point...

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  15. A ladder touches a wall at a height of 5m. The angle made by the ladde...

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  16. A 20 m long ladder is placed on a pole of 10 m height making 'alpha' a...

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  17. A ladder 15m long just reaches the top of vertical wall. If the ladder...

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  18. The length of the shadow of a tree is 8 m long when the sun's angle of...

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

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

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