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What specific type of triangle is required to use Pythagoras' theorem?
A
Equilateral triangles (containing three 60° angles).
B
Obtuse-angled triangles (containing an angle above 90°).
C
Acute-angled triangles (containing only angles below 90°).
D
Right-angled triangles (containing a 90° angle).
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Pythagoras Flashcards
21 flashcards on AQA GCSE Maths Pythagoras: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.