AQA GCSE Mathematics · 8300
Specification G6 · Paper 1, Paper 2, Paper 3
A chain of statements in which each step follows from given information or an established mathematical fact, establishing that a result must be true.
Revise: Geometric ProofsMeasuring a few drawings may support it, but a geometric proof shows why it must hold for every triangle with the stated properties. Start with what is given, use established facts to obtain new facts, and finish with the result you were asked to show. Each step needs a reason.