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Match each sight-line term

Exercise and reference answers

Matching pairs
  1. Left
    Line of sight
    Right
    Line from the eye to the point viewed
  2. Left
    Elevation angle
    Right
    Made with the horizontal, looking up
  3. Left
    Depression angle
    Right
    Made with the horizontal, looking down
  4. Left
    Horizontal
    Right
    The level line the angle is measured from
Instructions
Tap a term on the left, then tap what it means.

Explanation

_Source: syllabus Maths Ch9 Applications of Trigonometry, 9.1 Heights and Distances_
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