Question Paper
Class / Subject: Class 10 (ICSE) · Mathematics
Chapter: Chapter 22 — Chapter 22: Heights and Distances
Time Allowed: 32 minutes
Max Marks: 16
1. What is the angle of elevation? [1]
(A) Angle looking upward from horizontal
(B) Angle looking downward from horizontal
(C) A type of triangle
(D) A fixed 90° angle always
2. What is the angle of depression? [1]
(A) Angle looking downward from horizontal
(B) Angle looking upward from horizontal
(C) A type of triangle
(D) A fixed 90° angle always
3. What trigonometric ratio is commonly used? [1]
(A) Tangent
(B) Only sine
(C) Only cosine
(D) None of these
4. What can we calculate using elevation/depression angles? [1]
(A) Heights or distances
(B) Only areas
(C) Only volumes
(D) Only perimeters
5. Where is this application used? [1]
(A) Surveying and navigation
(B) Only in maths class
(C) Nowhere practical
(D) Only for decoration
6. What do we need to calculate height using elevation angle? [1]
(A) A known distance and the angle
(B) Only the angle
(C) Only the distance
(D) Neither is needed
7. Is angle of depression measured from the horizontal? [1]
(A) Yes
(B) No, from the vertical
(C) No, from the ground directly
(D) Angles have no reference line
8. Why learn heights and distances applications? [1]
(A) For practical measurement in real scenarios
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is the angle of elevation? [1]
(A) Angle looking upward from horizontal
(B) Angle looking downward from horizontal
(C) A type of triangle
(D) A fixed 90° angle always
10. What is the angle of depression? [1]
(A) Angle looking downward from horizontal
(B) Angle looking upward from horizontal
(C) A type of triangle
(D) A fixed 90° angle always
11. What trigonometric ratio is commonly used? [1]
(A) Tangent
(B) Only sine
(C) Only cosine
(D) None of these
12. What can we calculate using elevation/depression angles? [1]
(A) Heights or distances
(B) Only areas
(C) Only volumes
(D) Only perimeters
13. Where is this application used? [1]
(A) Surveying and navigation
(B) Only in maths class
(C) Nowhere practical
(D) Only for decoration
14. What do we need to calculate height using elevation angle? [1]
(A) A known distance and the angle
(B) Only the angle
(C) Only the distance
(D) Neither is needed
15. Is angle of depression measured from the horizontal? [1]
(A) Yes
(B) No, from the vertical
(C) No, from the ground directly
(D) Angles have no reference line
16. Why learn heights and distances applications? [1]
(A) For practical measurement in real scenarios
(B) No reason
(C) It's not useful
(D) Only for tests