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A tree casts a shadow 4m long on the gro...

A tree casts a shadow 4m long on the ground,when the angle of elevation of the sun is `45^@`.The height of the tree (in meters) is
a)4 b)3 c)5.2 d)4.5

A

4

B

3

C

5.2

D

4.5

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R G PUBLICATION-SOME APPLICATION OF TRIGONOMETRY-EXERCISE
  1. If the height and length of the shadow of a man are the same,then the ...

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  2. The length of the string of a kite flying at 100 mts above the ground ...

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  3. A tree casts a shadow 4m long on the ground,when the angle of elevatio...

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  4. The length of shadow of a tower on the plane ground is sqrt3 times the...

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

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  6. What is the angle of elevation of sun when the length of the shadow of...

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  7. The angle of elevation of a post of height 55m as seen from the foot o...

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  8. A ladder 12m long is leaning on a wall.Its foot 6m away from the wall....

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  9. A ladder is kept standing at a slanting position against a wall of a h...

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  10. If the top of a temple subtends an angle of30^@ at a point on the grou...

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  11. If the top of a temple subtends an angle of60^@ at a point on the grou...

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  12. When a telephone post is broken by a strong wind,its top touches the g...

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  13. A tree of 15 m height was broken due to a heavy wind at a height of h ...

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  14. The angle of elevation of a temple is found to be 30^@ as seen from a ...

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  15. The angle of elevation of the top of a temple when observed from a poi...

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  16. An observer has found the angle of elevation of a temple to be 60^@ wh...

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  17. An observer 1.5m tall is 30metres away from a tower,50m high.Determine...

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  18. From a point which is 200sqrt2m away from the base of a temple the ang...

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  19. The angle of depression of the top and bottom of a tower are found to ...

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  20. An observer standing 72 m away from a building notice that the angles ...

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