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A man on the deck of a ship is 10m ab...

A man on the deck of a ship is 10m above the water level. He observes that the angle of elevation of the top of a cliff is `45o` and the angle of depression of the base is `30o` . Calculate the distance of the cliff from the ship and the height of the cliff.

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Aman on deck of a ship is 12 m above the water level. He observes that the angle of the elevation of the top of a cliff is 45^(@) and the angle of depression of its base is 30^(@) . Calculate the distance of the cliff from the ship and the height of the cliff.

A man on the deck of a ship 12 m above water level, observes that the angle of elevation of the top of a cliff is 60^(@) and the angle of depression of the base of the is 30^(@) . Find the distance of the cliff from the ship and the height of the cliff. [use sqrt(3)=1.732 )

Knowledge Check

  • From a point 12 m above the water level, the angle of elevation of the top of a hill is 60^(@) and the angle of depression of the base of the hill is 30^(@) . What is the height (in m)of the hill?

    A
    `36`
    B
    `48sqrt3`
    C
    `48`
    D
    `36sqrt3`

  • An observer ina boat finds the angle of elevation of a tower standing on the top of a cliff as 60^(@) and that of the top of cliff as 30^(@) . If the height of the twoer is 60 m then the height of the cliff is

    A
    `60sqrt(3)m`
    B
    `30m`
    C
    `20sqrt(3)m`
    D
    None of these

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    From the top of a cliff 15mt height, the angle of elevation of the top of a tower is found to be equal to the angle of depression of the foot of the tower.The height of the tower is

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