 # NCERT Solutions for Class 9 Maths Chapter 7 Free PDF Download ## NCERT Solutions for Class 9 Maths Chapter 7 – Triangles

NCERT Solutions for Class 9 Maths Chapter 7 based on the latest CBSE syllabus provides detailed explanations for all the questions provided in the NCERT textbooks. Our NCERT Solutions are explained step by step which helps you to boost your exam preparations and also help you to understand the concept in a detailed manner.

NCERT Solutions for Class 9 Maths Chapter 7 explains the different dimensions of shapes. These solutions are very interesting and easy to understand. NCERT Solutions for Class 9 Maths Chapter 7 are prepared by our subject experts. In case you have a doubt while you are studying, we have a team of teachers who give live doubt solving session only for you.

### CBSE Class 9 Maths Chapter 7 – Triangles

In NCERT Solutions for Class 9 Maths Chapter 7, you will learn the concept of congruence of triangles, criteria for congruence of triangles (SAS congruence rule, ASA congruence rule, SSS congruence rule, RHS congruence rule), rules of congruence, properties of triangles and the inequalities of a triangle.

### Sub-topics covered under NCERT Solutions for Class 9 Maths Chapter 7

• 7.1 – Introduction
• 7.2 – Congruence of Triangles
• 7.3 – Criteria for Congruence of Triangles
• 7.4 – Some Properties of a Triangle
• 7.5 – Some More Criteria for Congruence of Triangles
• 7.6 – Inequalities in a Triangle
• 7.7 – Summary

### NCERT Solutions for Class 9 Maths Chapter 7

In NCERT Solutions for Class 9 Maths Chapter 7, you will learn about the congruence of triangles, properties of triangles, and inequalities of the triangle. Let us now discuss the subtopics included in this Chapter in detail.

7.1 – Introduction

In this, you will study in detail the congruence of triangles, properties of triangles and inequalities in a triangle.

7.2 – Congruence of Triangles

In this, you will study about the congruence of a triangle, properties of congruent figures.

7.3 – Criteria for Congruence of Triangles

In this, you will study the criteria of congruence of triangle SAS congruence rule, ASA congruence rule, AAS congruence rule.

7.4 – Some Properties of a Triangle

In this, you will study the theorems of a triangle based on congruence of different types of triangle such as angles opposite to equal sides of an isosceles triangle are equal, the opposite sides of equal angles of a triangle are equal.

7.5 – Some More Criteria for Congruence of Triangles

In this, you will study the criteria of congruence of a triangle with all sides equal, and for right-angled triangle i.e. SSS, RHS.

7.6 – Inequalities in a Triangle

In this, you will study the various inequalities of a triangle such as an angle opposite to the longer side is larger (greater), the side opposite to the greater angle is greater, the sum of any two sides of a triangle is greater than the third side.

7.7 – Summary

In this, you will get the extract of the chapter and all-important points to be remembered. ### Download Toppr – Best Learning App for Class 5 to 12

We provide NCERT Solutions for the entire questions given at the end of the chapter according to the NCERT guidelines. With Toppr App, you get free pdf downloads, free videos and free doubt solving sessions by our highly qualified faculties. We also offer free online classes and tests which help you to perform well in your exams. Download Toppr for Android and iOS or signup for free.

Share with friends  Customize your course in 30 seconds

Which class are you in?

5th
6th
7th
8th
9th
10th
11th
12th
Get ready for all-new Live Classes!
Now learn Live with India's best teachers. Join courses with the best schedule and enjoy fun and interactive classes.  Ashhar Firdausi
IIT Roorkee
Biology  Dr. Nazma Shaik
VTU
Chemistry  Gaurav Tiwari
APJAKTU
Physics
Get Started
Customize your course in 30 seconds

Which class are you in?

No thanks.