The line drawn from the eye of the observer to the object viewed is called
- The horizontal line
- The line of sight
- The line of elevation
- The perpendicular line
Show answer and solution
Correct answer: B. The line of sight
1. syllabus terminology: line of sight is the line from the eye to the observed object.
2. Horizontal line is the reference for measuring elevation/depression.
3. Hence the answer is line of sight.
_Source: syllabus Mathematics, Ch 9 "Some Applications of Trigonometry", §9.2_