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🧾 CBSE · Class 10

Class 10 Maths: Some Applications of Trigonometry Worksheet (with Answers)

A free, print-ready worksheet on Some Applications of Trigonometry for CBSE Class 10 Maths, with a matching answer key. Use the sample below, or build your own with the exact mix of questions you need — no login, no ads.

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Sample worksheet

7 of 17 questions from this chapter. Generate your own for the full set, more variations, and a clean print layout.

  1. 1. The angle of elevation is measured from the horizontal to the line of sight when the object is:
    • (a) above the observer
    • (b) below the observer
    • (c) at eye level
    • (d) behind the observer
  2. 2. If a 10 m pole casts a 10 m shadow, the Sun's angle of elevation is:
    • (a) 90°
    • (b) 45°
    • (c) 60°
    • (d) 30°
  3. 3. The line joining the observer's eye to the object is called the:
    • (a) base
    • (b) line of sight
    • (c) horizontal
    • (d) vertical
  4. 4. Height of an object equals:
    • (a) distance × tan(elevation)
    • (b) distance + tan(elevation)
    • (c) distance ÷ tan(elevation)
    • (d) distance × sin(elevation)
  5. 5. Define angle of depression.
  6. 6. A tower is 20 m high and a point is 20 m away. What is the angle of elevation of the top?
  7. 7. From a point on the ground, the angle of elevation of the top of a 60 m tower is 60°. Find the distance of the point from the foot of the tower.
View answers
  1. 1. (a) above the observer — Elevation is for objects above the observer.
  2. 2. (b) 45° — tan θ = 10/10 = 1, so θ = 45°.
  3. 3. (b) line of sight — It is the line of sight.
  4. 4. (a) distance × tan(elevation) — tan = height/distance, so height = distance × tan(angle).
  5. 5. The angle below the horizontal from the observer's eye to an object that is lower than the observer.
  6. 6. tan θ = 20/20 = 1, so θ = 45°.
  7. 7. tan 60° = 60/d ⇒ √3 = 60/d ⇒ d = 60/√3 = 20√3 m ≈ 34.6 m.
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FAQ

Is this Class 10 Maths worksheet on Some Applications of Trigonometry free?
Yes — it is completely free, with no login and no ads. You can print it or save it as a PDF, and generate unlimited variations.
Does the Some Applications of Trigonometry worksheet come with answers?
Yes. Every worksheet has a separate answer key with the correct answers, short explanations and marks, so it is ready for marking.
Can I choose how many questions and which types?
Yes. Open the generator for this chapter and set how many MCQs, short, long and HOTS questions you want; totals and marks update live, and you can swap any single question.
Which board and class is this for?
This worksheet is aligned to CBSE Class 10 Maths, chapter “Some Applications of Trigonometry”.