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Scalene triangles
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.
Additional details |
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| Year level(s) | Year 10 |
|---|---|
| Audience | Teacher |
| Purpose | Assessment task, Extension, Student task, Teaching resource |
| Format | Downloadable resources |
| Teaching strategies and pedagogical approaches | Collaborative learning, Differentiated teaching, Explicit teaching, Feedback, Mathematics investigation |
| Keywords | scalene, triangle, trigonometry, cosine rule, angles |
Curriculum alignment |
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| 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
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Copyright details |
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| Organisation | Inquiry Maths |
| Copyright | © Andrew Blair 2012-21. Creative Commons BY-NC-SA 4.0. |
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