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Chapter 7 Class 7 Congruence of Triangles

Solutions of all NCERT Exercise Questions and Examples of Chapter 7 Class 7 Congruence of Triangles has been solved. First the concept is explained, and then the answer is given in a step-by-step easy to understand way.


In this chapter, we will learn

  • What is congruency, and common congruent figures, and congruent symbol (≅)
  • Congruency of Line Segments
  • Condition of angles to be congruent
  • What is congruence of triangles
  • Naming triangles when two triangles are congruent
  • SSS (Side Side Side) Congruence Criteria
  • SAS (Side Angle Side) Congruence Criteria
  • ASA (Angle Side Angle) Congruence Criteria
  • Is ASA same as AAS?
  • Why is AAA not a congruency criteria?
  • RHS (Right angle Hypotenuse Side) Congruence Criteria


We have divided the chapter into two parts - Serial Order Wise, and Concept Wise.

In Serial Order Wise, you can study the chapter like in the NCERT Book - Exercises and Examples.

In Concept Wise, you can study the chapter with concepts. This is the Teachoo way of doing the chapter.


Click on a link below to get started.


Serial order wise

  Ex 7.1
  Ex 7.2

Concept wise