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The angle elevation of the top of a towe...

The angle elevation of the top of a tower from a point C on the ground. Which is 30 m away from the foot of the tower is `30^(@)` . Find the height of the tower.

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

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

Knowledge Check

  • The angle of elevation of the top of a tower from a point of the ground, which is 30 m away from the foot of a tower of height 10sqrt3 , is:

    A
    `45^(@)`
    B
    `60^(@)`
    C
    `30^(@)`
    D
    `90^(@)`

  • Aman observes that the angle of elevation of the top of a tower from a point P on the ground is alpha .He moves a certain distance towards the foot of the tower and finds that the age of elevation of the top has doubled. He further moves a distance 3/4 of the previous and finds that the ele of elevation is three times that all. The angle is given by :

    A
    `sin alpha =3/4`
    B
    `sin alpha = 3/8`
    C
    `sin alpha = sqrt ((5)/(12))`
    D
    `cos alpha = sqrt((5)/(12)).`

  • If the angle of elevation of the top of a tower from a distance of 100m from its foot is 60^(@) , the height of the tower is

    A
    `100sqrt(3) m`
    B
    `(100)/sqrt(3)` m
    C
    `50sqrt(3) m`
    D
    `(200)/sqrt(3)` m

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