What specific type of triangle is required to use Pythagoras' theorem?
Equilateral triangles (containing three 60° angles).
Right-angled triangles (containing a 90° angle).
Acute-angled triangles (containing only angles below 90°).
Obtuse-angled triangles (containing an angle above 90°).
Flashcards for OCR GCSE Maths Pythagoras, covering the key formulae, methods and definitions you need to recall for the written papers. 21 cards, matched to the OCR GCSE Maths (J560) specification.
