---
tag: 093EDENVA1
kind: concept
name: Congruent triangles
msc: [51M04]
sources:
  - url: https://en.wikipedia.org/wiki/Congruence_(geometry)
    locator: Congruence of triangles
---

## Summary

Two triangles are congruent when they have the same shape and the same size. Then a rigid motion, possibly with a reflection, moves one onto the other.