Year 9 maths Australian curriculum - Space

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AC9M9SP01
Why Trig Ratios Stay Constant: Similarity
recognise the constancy of the sine, cosine and tangent ratios for a given angle in right-angled triangles using properties of similarity
AC9M9SP02
The Enlargement Transformation
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
AC9M9SP03
Designing Geometric Algorithms
design, test and refine algorithms involving a sequence of steps and decisions based on geometric constructions and theorems; discuss and evaluate refinements