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  1. Asked: In:

    From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60° and the angle of depression of its foot is 45°. Determine the height of the tower.

    Aditi

    Get here all the solutions of class 10 Maths Exercise 9.1 NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

    Get here all the solutions of class 10 Maths Exercise 9.1

    NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

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  2. Asked: In:

    As observed from the top of a 75 m high lighthouse from the sea-level, the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side of the lighthouse, find the distance between the two ships.

    Aditi

    Get here all the solutions of class 10 Maths Exercise 9.1 NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

    Get here all the solutions of class 10 Maths Exercise 9.1

    NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

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    • 0
  3. Asked: In:

    A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2 m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 60°. After some time, the angle of elevation reduces to 30° Find the distance travelled by the balloon during the interval.

    Aditi

    Get here all the solutions of class 10 Maths Exercise 9.1 NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

    Get here all the solutions of class 10 Maths Exercise 9.1

    NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

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    • 1
  4. Asked: In:

    A straight highway leads to the foot of a tower. A man standing at the top of the tower observes a car at an angle of depression of 30°, which is approaching the foot of the tower with a uniform speed. Six seconds later, the angle of depression of the car is found to be 60°. Find the time taken by the car to reach the foot of the tower from this point.

    Aditi

    Get here all the solutions of class 10 Maths Exercise 9.1 NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

    Get here all the solutions of class 10 Maths Exercise 9.1

    NCERT Solutions for class 10 Maths Exercise 9.1 all questions in Hindi Medium

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    • 1
  6. Asked: In:

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

    Aditi

    Get here all the solutions of class 10 Maths Exercise 9.1 Get here all the solutions of class 10 Maths Exercise 9.1 in Hindi Medium

    Get here all the solutions of class 10 Maths Exercise 9.1

    Get here all the solutions of class 10 Maths Exercise 9.1 in Hindi Medium

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    • 1