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The angle of elevation of a bird sitting...

The angle of elevation of a bird sitting on top of a tree as seen from the point at a distance of 20m from the base of the tree is `60^(@)`. Then, the height of the tree is ……..m

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

The angle of elevation of the top of a tower from a point O on the ground, which is 450 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 at a distance 500m from the foot is 30^(@) . Then, the height of the tower is ………m.

    A
    `250 sqrt3`
    B
    `500 sqrt3`
    C
    `(500)/(sqrt3)`
    D
    250

  • The angle of elevation of the top of a 15m high tower from a point 15m away from the base of the tower is………

    A
    `30^(@)`
    B
    `60^(@)`
    C
    `45^(@)`
    D
    `75^(@)`

    • Similar Questions

    Explore conceptually related problems

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

    A statue, 1.6m tall, stands on the top of a pedestal. From a point on the ground, the angle of elevation of the top of the statue is 60^(@) and from the same point the angle of elevation of the top of the pedestal is 45^(@) . Find the height of the pedestal.

    The angles of elevation of the top of a tower from two points at a distance of 4m and 9m from the base of the tower and in the same straight line with it are complementary. Prove that the height of the tower is 6m.

    A statue stands on the top of a 2m tall pedestal. From a point on the ground, the angle ofelevation of the top of the statue is 60^(@) and from the same point, the angle of elevation of the top of the pedestal is 45^(@) . Find the height of the statue.

    A tree stands vertically on a hill side which makes an angle of 15^(@) with the horizontal. From a point on the ground 35m . Down the hill from the base of the tree, the angle of elevation of the top of the tree is 60^(@) . Find the height of the tree.

    A person standing on the bank of a river observes that the angle of elevation of the top of a tree on the opposite bank is 60^(@) . When he retreates 20m from the bank, he observes the angle of elevation of the top of the same tree to be 30^(@) . Find the height of the tree and the breadth of the river.

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