1
Angle Concepts
Recognise upward line-of-sight angles from horizontal
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Heights and Distances
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2
Angle Concepts
Recognise downward line-of-sight angles from horizontal
3
Diagram Modelling
Represent heights, distances and line of sight accurately
4
Diagram Modelling
Select tan, sin or cos based on known and unknown sides
5
Single Triangle Problems
Solve one-right-triangle height problems
6
Single Triangle Problems
Solve one-right-triangle distance problems
7
Two Triangle Problems
Use at most two right triangles to find height or distance
8
Two Triangle Problems
Model two angles of elevation from points on the same line
9
Two Triangle Problems
Model observations from opposite sides of an object
10
Angle Values
Apply standard angle ratios in application problems
11
Validation
Use estimation and units to verify real-life answers
12
Error Analysis
Correct swapped angles, missing eye level and wrong base lengths
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