The angle of elevation is the angle measured
AFrom the horizontal, looking up
BFrom the vertical, looking down
CFrom the horizontal, looking down
DFrom the vertical, looking up
Answer & Solution
Correct answer: A. From the horizontal, looking up
1. Angle of elevation is formed when the observer looks up at an object.
2. It is measured from the horizontal line of sight upward.
3. Hence option B.
_Source: syllabus Mathematics, Ch 9 "Some Applications of Trigonometry", §9.2_
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