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Sikkim Board Class 10 Class 10 Maths — practice questions

Explore 30 free Class 10 Maths questions in Sikkim Board Class 10 Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Class 10 Maths questions and exercises with answers

Showing questions 1–30 of 30.

The straight line drawn from an observer's eye to the object viewed is the:Read the answer and worked solution →A student looks up at the top of a minar. The angle above the horizontal is the angle of:Read the answer and worked solution →A pilot looks down at a runway. The angle below the horizontal is the angle of:Read the answer and worked solution →The instrument used by surveyors to measure angles of elevation is the:Read the answer and worked solution →The world's highest peak was named after the surveyor:Read the answer and worked solution →To find the height of a minar from a distance, a student needs the distance, her own height and the:Read the answer and worked solution →Having found the height above eye level, the observer must still add her own:Read the answer and worked solution →A tower stands 15 m from a point where the angle of elevation of its top is 60 degrees. Its height uses:Read the answer and worked solution →An observer 1.5 m tall stands 28.5 m from a chimney with an elevation of 45 degrees. The chimney is:Read the answer and worked solution →At an angle of elevation of 45 degrees, the height above eye level equals the:Read the answer and worked solution →A tower's shadow is 40 m longer when the Sun's altitude is 30 degrees than when it is 60 degrees. The tower is:Read the answer and worked solution →A ladder leaning at 60 degrees reaches a fault on a pole of height:Read the answer and worked solution →The approximate value of root 3 used in these problems is:Read the answer and worked solution →A building of known height has its distance from a point P found as 10 root 3 m, which is about:Read the answer and worked solution →In these problems, the observer, the object and the ground together always form a:Read the answer and worked solution →The tangent of an angle in a right triangle equals the opposite side divided by the:Read the answer and worked solution →The tangent of 60 degrees equals:Read the answer and worked solution →The tangent of 30 degrees equals:Read the answer and worked solution →The tangent of 45 degrees equals:Read the answer and worked solution →A tower is 15 root 3 m tall. Taking root 3 as 1.732, that is about:Read the answer and worked solution →When the Sun is lower in the sky, the shadow of a tower becomes:Read the answer and worked solution →Trigonometry lets us find heights and distances of objects without actually:Read the answer and worked solution →Catch the angle wordsRead the answer and worked solution →Pop the standard anglesRead the answer and worked solution →Run the trigonometry gatesRead the answer and worked solution →Slice the trigonometry termsRead the answer and worked solution →Looking up or downRead the answer and worked solution →Sort the survey ideasRead the answer and worked solution →Type the answerRead the answer and worked solution →Heights bingoRead the answer and worked solution →

Worked practice questions

The straight line drawn from an observer's eye to the object viewed is the:

  1. Line of sight
  2. Line of symmetry
  3. Line of latitude
  4. Line of quantity
Show answer and solution

Correct answer: A. Line of sight

1. The eye and the object are joined by a straight line. 2. That line has a special name in this topic. 3. It is the line of sight. _Source: syllabus Mathematics Class X, Chapter 9, Some Applications of Trigonometry._

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A student looks up at the top of a minar. The angle above the horizontal is the angle of:

  1. Projection
  2. Elevation
  3. Depression
  4. Reflection
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Correct answer: B. Elevation

1. The head is raised to see the top. 2. The angle measured up from the horizontal has a name. 3. That is the angle of elevation. _Source: syllabus Mathematics Class X, Chapter 9, Some Applications of Trigonometry._

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A pilot looks down at a runway. The angle below the horizontal is the angle of:

  1. Depression
  2. Elevation
  3. Reflection
  4. Projection
Show answer and solution

Correct answer: A. Depression

1. The head is lowered to see the point. 2. The angle measured down from the horizontal has a name. 3. That is the angle of depression. _Source: syllabus Mathematics Class X, Chapter 9, Some Applications of Trigonometry._

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