Congruent Triangles
In these lessons, we will learn about congruent triangles, covering examples that are suitable for GCSE Maths.
Related Pages
Congruent Triangles
Prove Congruent Triangles
GCSE/IGCSE Maths Lessons
The following figures give the Tests for Congruent Triangles: SSS, SAS, AAS, SAS, RHS. Scroll down the page for more examples and solutions.
Congruent Triangles basic rules and some form of application
This video looks at triangle congruency. How one triangle is an exact copy of another in terms of its sides and angles.
The five tests (SSS, SAS, AAS, SAS, RHS) to show that one triangle is congruent to another are each explained. The special case of right-angled triangle congruency is dealt with in some detail, using Geogebra constructions.
Three worked solutions to congruency problems are explained.
GCSE Tutorial Congruent Triangles Proof
GCSE Maths Higher SSS, SAS, ASA, RHS
Triangle Congruence - SSS, SAS, ASA and AAS
How to derive the rules?
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.