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

The angle of elevation of the top of a tower at a point on the ground 20 m from the foot of the tower is `30^(@)`. What is the height of the tower?

Text Solution

Verified by Experts

The correct Answer is:
11.8m(approximately)
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Knowledge Check

  • 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^(@) . Then , the height ( in m) of the tower is .

    A
    `(10)/(sqrt(3))`
    B
    `30 sqrt(3)`
    C
    `10 sqrt(3)`
    D
    `10`

  • Assertion (A): The angle of elevation of the top of the tower from a point on the ground, which is 30 m away from the foot of the tower, is 30^(@) . The height of the tower is 10 m. Reason (R): The angle of depression from B to A and Angle of elevation from A to B are equal.

    A
    Both A and R are true and R is the correct explanation of A.
    B
    Both A and R are true and R is not correct explanation of A.
    C
    A is true but R is false.
    D
    A is false but R is true.

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