Similarity
Triangle determination/congruence versus similarity conditions; AA, proportional SSS and proportional SAS similarity; Using corresponding sides in practical proportions
Loading personal best…Year 11 · General Mathematics
Applications of trigonometry
Choose a subtopic to practise.
Subtopics
Right triangle geometry
Pythagoras and trig ratios; Finding lengths and angles; Two/three-dimensional practical contexts: inclinometers, sun inclination, ladders, cones
Loading personal best…Area of triangles
Area from two sides/included angle; Derivation/selection of area formula; Heron rule from three sides; Practical selection of measurements
Loading personal best…Solving problems with non-right triangles
Cosine rule for side or angle; Sine rule for AAS/ASA and SSA; Ambiguous cases; Direction and bearings
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