1. Chapter 7 Class 7 Congruence of Triangles
  2. Concept wise
  3. Congruency Criteria Mix questions

Why is AAA congruency not used?

Last updated at Sept. 18, 2018 by

Suppose we have two triangles,

73.jpg

Here,

  All the three angles of both triangle are equal,

But, sides are not equal

So, triangles are not congruent

i.e. ∆ABC ≇ ∆PQR

 

But,

    These triangles are similar (link)

    Check AAA similarity criteria.

  1. Chapter 7 Class 7 Congruence of Triangles
  2. Concept wise

    3. Congruency Criteria Mix questions

    Chapter 8 Class 7 Comparing Quantities →
Chapter 7 Class 7 Congruence of Triangles
Concept wise

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.