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Calculate BC

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The correct Answer is:
`10.55` m
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ICSE-HEIGHTS AND DISTANCES -Exercise 22 C
  1. Find AD

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  2. In the following diagram, AB is a floor-board, PQRS is a cubical box w...

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  3. Calculate BC

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  4. Calculate AB

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  5. The radius of a circle is given as 15 cm and chord AB subtends an angl...

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  6. The radius of a circle is given as 15 cm and chord AB subtends an angl...

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  7. At a point on level ground, the angle of elevation of a vertical to...

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  8. A vertical tower stands on a horizontal plane and is surmounted by a v...

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  9. With reference to the given figure, a man stands on the ground at poin...

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  10. With reference to the given figure, a man stands on the ground at poin...

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  11. The angles of elevation of the top of a tower from two points at a dis...

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  12. From a window A , 10 m above the ground the angle of elevation of the...

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  13. A vertical tower is 20 m high. A man standing at some distance from th...

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  14. A man standing on the bank of a river observes that the angle of elev...

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  15. A man standing on the bank of a river observes that the angle of elev...

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  16. A 20 m high vertical pole and a vertical tower are on the same level g...

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  17. A 20 m high vertical pole and a vertical tower are on the same level g...

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  18. A vertical pole and a vertical tower are on the same level ground in ...

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  19. A vertical pole and a vertical tower are on the same level ground in ...

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  20. From a point 36 m above the surface of a lake , the angle of elevatio...

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