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This prompt is a way of introducing the cosine rule for finding the angles in a scalene triangle. The resource includes classroom examples, teacher notes and guided questions, as well as alternative, extending prompts.
|Year level(s)||Year 10|
|Purpose||Assessment task, Extension, Student task, Teaching resource|
|Teaching strategies and pedagogical approaches||Collaborative learning, Differentiated teaching, Explicit teaching, Feedback, Mathematics investigation|
|Keywords||scalene, triangle, trigonometry, cosine rule, angles|
|Curriculum connections||Critical and creative thinking, Numeracy|
|Strand and focus||Geometry, Build understanding, Apply understanding|
|Topics||Pythagoras and trigonometry|
|AC: Mathematics content descriptions||
ACMMG273 Establish the sine, cosine and area rules for any triangle and solve related problems
© Andrew Blair 2012-21. Creative Commons BY-NC-SA 4.0.