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In this series of lessons, students will explore the relationships between the sides and angles of right-angled triangles. Students will measure similar triangles to find the trigonometrical ratios. The resources includes teacher notes and student activities.
|Year level(s)||Year 9|
|Purpose||Student task, Teaching resource, Content knowledge|
|Teaching strategies and pedagogical approaches||Mathematics investigation|
|Keywords||Pythagoras, Hypotenuse, Adjacent, Opposite, Tangent, Cosine, Sine, Angle, Ratio, Similar, Trigonometry, Right-angled triangle|
|Curriculum connections||Critical and creative thinking, Numeracy|
|Strand and focus||Space|
|Topics||Pythagoras and trigonometry|
|AC: Mathematics (V9.0) content descriptions||
Apply the enlargement transformation to shapes and objects using dynamic geometry software as appropriate; identify and explain aspects that remain the same and those that change
Solve spatial problems, applying angle properties, scale, similarity, Pythagoras' theorem and trigonometry in right-angled triangles
Proportional thinking (P7)
Understanding geometric properties (P7)
Understanding units of measurement (P10)
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