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A ladder touches a wall at a height of 5...

A ladder touches a wall at a height of 5m. The angle made by the ladder with the ground, if its length is 10m, will be………….

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-APPLICATIONS OF TRIGONOMETRY-MODEL EXAMINATION
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  4. When the angle of elevation of a pole is 45^(@), the length of the pol...

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  8. A building casts a shadow of length 50sqrt(3) m when the sun is 30^(@)...

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  9. When the angle of elevation of a light changes from 30^(@)" to "45^(@)...

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  10. From the top of a building 50m from horizontal, the angle of depressi...

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  11. From the top of a building with height 30(sqrt(3)+1)m two cars make an...

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  12. A person standing on the bank of a river observes that the angle subte...

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

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

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  15. If the angle of elevation of a cloud from a point 200 m above a lak...

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  16. An aeroplane flying horizontally 1 km above the ground is observed at ...

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  17. If AB=4m, and AC=8m, then the angle of elevation of A as observed from...

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  18. If a pole height 6m casts a shadow 2sqrt(3)m long on the ground, then ...

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  19. The length of shadow of a pole is equal to the length of the pole, the...

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  20. If the shadow of a tree is (1)/(sqrt(3)) times the height of the tree,...

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