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The horizontal distance between two pole...

The horizontal distance between two poles is 15 m. The angle of depression of the top of the first pole as seen from the top of the second pole is `30^(@)`. If the height of the second pole is 24 m, find the height of the first pole. [Use `sqrt3` = 1.732]

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The horizontal distance between two poles is 15m. The angle of depression of the top of the first pole as seen from the top of the second pole is 30o .If the height of the second pole is 24m, find the height of the first pole.(sqrt(3)=1.732)

The horizontal distance between two poles is 15m. The angle of depression of the top of first pole as seen from the top of second pole is 30. If the height of the second pole is 24m, find the height of the first pole.Use v3=1.732)

Knowledge Check

  • The horizontal distance between two towers is 60 m and the angle of depression of the top of the first tower as seen from the top to the second is 30. If the height of the second tower is 150 m, then the height of the first tower is

    A
    `90 m`
    B
    `(150-60 sqrt(3)) m`
    C
    `(150 + 20 sqrt(3)) m`
    D
    None of these

  • A circular path is 50 m. wide. The angle of elevation of the top of a pole at the centre of the circular park at a point on the outer circle is 45^(@) . The height of the pole is

    A
    `(50 cos alpha)/(cos alpha-sin alpha)`
    B
    `(50 sin alpha)/(sin alpha-cos alpha)`
    C
    `(50)/(cos alpha-sin alpha)`
    D
    `(50)/(cos alpha+sin alpha)`

  • An observer who is 1.62m tall is 45m away from a pole . The angle of elevation of the top of the pole from his eyes is 30^(@) . The height ( in m ) of the pole is closest to :

    A
    26.2
    B
    27.6
    C
    25.8
    D
    26.8

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