5:59 GCSE Maths - Congruent Triangle Rules (2026/27 exams)
Clear walkthrough of the four congruence rules (SSS, SAS, AAS, RHS) with worked examples.
Explain the conditions for similarity and congruence
5 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.
5:59 Clear walkthrough of the four congruence rules (SSS, SAS, AAS, RHS) with worked examples.
6:06 Conceptual mini-lesson on exactly what makes shapes similar versus congruent.
5:08 Explains how to decide whether two triangles are similar, congruent or unrelated using the criteria.
18:02 Covers every congruence rule then builds a full congruent-triangle proof.
11:40 GCSE revision of congruent triangles, including how to prove congruence.