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Area of a triangle inquiry

The prompt will challenge students to think about the area of a non-right-angled triangle, using the general sine formula. They also explore the concept of proof, deepening their conceptual understanding. The resource includes classroom examples, teacher notes and guided questions.

Additional details
Year level(s)	Year 9, 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	sine, triangle, angle, proof, area
Curriculum alignment
Curriculum connections	Critical and creative thinking, Numeracy
Strand and focus	Space, Measurement, Algebra, Apply understanding, Build understanding
Topics	Algebraic expressions, Angles and geometric reasoning
AC: Mathematics (V9.0) content descriptions	AC9M9SP01 Recognise the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles using properties of similarity AC9M10M03 Solve practical problems applying Pythagoras' theorem and trigonometry of right-angled triangles, including problems involving direction and angles of elevation and depression
Numeracy progression	Proportional thinking (P7) Understanding geometric properties (P7) Understanding units of measurement (P10)
Copyright details
Organisation	Inquiry Maths
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