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Some Applications of Trigonometry

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Heights and Distances

Subtopic

Heights and Distances under Some Applications of Trigonometry for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A kite is flying at a height of 4040 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. If the inclination of the string with the ground is 30∘30^\circ, find the length of the string, assuming there is no slack.

    A.

    40340\sqrt{3} m

    B.

    8080 m

    C.

    6060 m

    D.

    4040 m

  2. 2.

    The height of a tower is 1515 m. What is the length of its shadow on the level ground when the Sun's altitude is 45∘45^\circ?

    A.

    1515 m

    B.

    15315\sqrt{3} m

    C.

    535\sqrt{3} m

    D.

    3030 m

  3. 3.

    A vertical pole 66 m high casts a shadow 232\sqrt{3} m long on the ground. The Sun's angle of elevation is:

    A.

    30∘30^\circ

    B.

    45∘45^\circ

    C.

    90∘90^\circ

    D.

    60∘60^\circ

Download the worksheet for Some Applications of Trigonometry - Heights and Distances to practice offline. It includes additional chapter-level practice questions.

Angle of Elevation and Angle of Depression

Subtopic

Angle of Elevation and Angle of Depression under Some Applications of Trigonometry for Grade 10 CBSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    The angle of elevation of the top of a 1010 m high tower from a point 10310\sqrt{3} m away from its base is:

    A.

    45∘45^\circ

    B.

    60∘60^\circ

    C.

    30∘30^\circ

    D.

    90∘90^\circ

  2. 2.

    An observer 1.61.6 m tall is 10310\sqrt{3} m away from a tower. The angle of elevation of the top of the tower is 30∘30^\circ. Find the height of the tower.

    A.

    1010 m

    B.

    11.611.6 m

    C.

    10310\sqrt{3} m

    D.

    11.6311.6\sqrt{3} m

  3. 3.

    A ship is 50350\sqrt{3} m away from a lighthouse. If the angle of elevation of the top of the lighthouse is 30∘30^\circ, find the height of the lighthouse.

    A.

    5050 m

    B.

    50350\sqrt{3} m

    C.

    150150 m

    D.

    100100 m

Download the worksheet for Some Applications of Trigonometry - Angle of Elevation and Angle of Depression to practice offline. It includes additional chapter-level practice questions.

Some Applications of Trigonometry - Class 10 Maths (CBSE) | Krit.club