Angles of Elevation and Depression
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Question
Angle of elevation definition?
Answer
Angle measured upward from horizontal line of sight.
💡 Hint
Draw horizontal first, then angle up.
Question
Angle of depression definition?
Answer
Angle measured downward from horizontal line of sight.
💡 Hint
Horizontal is at observer level.
Question
Why are elevation and depression linked?
Answer
They often form alternate interior angles in parallel-line setup.
💡 Hint
Use geometry before trig if needed.
Question
IB exam pitfall in elevation questions?
Answer
Using vertical line as reference instead of horizontal.
💡 Hint
Reference line must be horizontal.
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Topic 3.3 hub
Angles of elevation and depression
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