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From a point on the ground 20 m away fro...

From a point on the ground 20 m away from the foot of a tower the angle of elevation is `60^(@)`. What is the height of tower?

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From a point on the ground 40 m away from the foot of a tower, the angle of elevation of the top of the tower is 30^(@) . The angle of elevation of

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Knowledge Check

  • From a point 20 m away from the foot of a tower, the angle of elevation of the top of the tower is 30^(@) . The height of the tower is

    A
    ` 10 sqrt(3) m`
    B
    `20 sqrt(3)` m
    C
    `10/sqrt(3)` m
    D
    `(20)/(sqrt(3))m`

  • From 40 m away from the foot of a tower , the angle of elevation of the top of the tower is 60^(@) .What is the height of the tower ?

    A
    `(120)/(sqrt(3))` m .
    B
    `(60)/(sqrt(3))` m .
    C
    `(50)/(sqrt(3))` m .
    D
    `(130)/(sqrt(7))`m .

  • At a point 20 m away from the foot of a tower the angle of elevation of the top of the tower is 30^(@) The height of the tower is

    A
    `20sqrt3m`
    B
    `(20)/(sqrt3)m`
    C
    `(sqrt3)/(20)m`
    D
    None of these

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