# NCERT Solutions for Class 7 Maths Chapter 7

NCERT Solutions for Class 7 Maths Chapter 7 Congruence of Triangles Exercise 7.1 and Exercise 7.2 in English Medium or Prashanavali 7.1 and Prashanavali 7.2 in Hindi Medium free to download in PDF file format which are updated for session 2020-21.

Videos of exercise 7.1 and 7.2 are also given for help. Study online or download in PDF format for later use. NCERT Solutions 2020-2021 of all subjects are updated for the session 2020-21 based on new NCERT Textbooks 2020-21.Page Contents

## NCERT Solutions for Class 7 Maths Chapter 7

Class: 7 | Maths (English and Hindi Medium) |

Chapter 7: | Congruence of Triangles |

### 7 Maths Chapter 7 Solutions

Class 7 Maths Chapter 7 Exercise 7.1 and Ex. 7.2 of Congruence of Triangles answers and solutions with complete description of each and every question are given below. Solutions are updated for the new session 2020-21.

### 7 Maths Chapter 7 All Exercises in English Medium

### 7 Maths Chapter 7 All Exercises in Hindi Medium

#### Class 7 Maths Chapter 7 Solution in Videos

#### About NCERT Solutions for Class 7 Maths Chapter 7

In 7 Maths Chapter 7 Congruence of Triangle, we will study all the conditions for the congruence of two triangles. We also see the congruence among line segment and among angles as well. During the congruence of triangle, we will use the following criteria for results:

- SSS Criteria: Two triangles are congruent if the three sides of the one are equal to the three corresponding sides of the other.
- ASA Criteria: Two triangles are congruent if two angles and the side included between them in one of the triangles are equal to the corresponding angles and the side included between them of the other triangle.
- SAS Criteria: Two triangles are congruent if two sides and the angle included between them in one of the triangles are equal to the corresponding sides and the angle included between them of the other triangle.
- RHS Criteria: Two right-angled triangles are congruent if the hypotenuse and a leg of one of the triangles are equal to the hypotenuse and the corresponding leg of the other triangle.

NOTE: There is no rule like AAA for triangles. Two triangles with equal corresponding angles need not be congruent. In such a correspondence, one of them can be an enlarged copy of the other.

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