How to prove two triangles are exactly the same
In short: Mastering the criteria for triangle congruence is essential for GCSE Maths. This video breaks down the specific rules required to prove two triangles are identical, while highlighting common mistakes to avoid.
The video covers the definition of congruent triangles and details the four specific rules, or criteria, used to prove congruence. It explains the AAS (Angle-Angle-Side) and RHS (Right angle-Hypotenuse-Side) methods, providing practical examples for each.
To ensure a complete understanding, the presentation also demonstrates cases where triangles fail to meet the necessary criteria, helping students avoid common errors in geometry proofs.
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Sources
- Summary by Intellect · source: GCSE Maths - Congruent Triangle Rules (2026/27 exams)
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