What specific type of triangle is required to use Pythagoras' theorem?
Right-angled triangles (containing a 90° angle).
Flashcards for AQA GCSE Maths Pythagoras, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 21 cards, matched to the AQA GCSE Maths (8300) specification.