Pythagoras and Trigonometry — Topic Review | Year 9

QUICK RECAP

Connect the ideas

Find the right angle before naming the hypotenuse.

Name opposite and adjacent relative to the acute angle being used.

Use Pythagoras for two known sides and an unknown side.

Use a ratio for one known angle/side; use an inverse ratio for an angle from two sides.

Use degree mode and round the final result only.

Interpret total height, final height and a drop as different quantities.

Complete each paper and show your working.

Pythagoras and Trigonometry — Practice paper 1
16 questions · 43 marks · 55 minutes · Scientific calculator
Apply right-triangle geometry to diagrams, lengths, angles and contextual decisions.
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Pythagoras and Trigonometry — Practice paper 2
16 questions · 44 marks · 55 minutes · Scientific calculator
Apply right-triangle geometry to diagrams, lengths, angles and contextual decisions.
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Pythagoras and Trigonometry — Applications paper
16 questions · 59 marks · 60 minutes · Scientific calculator
Apply right-triangle geometry to diagrams, lengths, angles and contextual decisions.
Open test Marking guide