BoardCBSE
TextbookNCERT
ClassClass 9
SubjectMaths
ChapterChapter 7-Triangles
Chapter NameChapter 7 Triangles
CategoryNCERT Exemplar

NCERT Exemplar Solution for Class 9 Maths Chapter 7 – Triangles

The seventh chapter of Class 9 Mathematics, Triangles, is one of the most crucial chapters in geometry as it covers theorems, congruence, and inequalities that form the basis for advanced geometry in higher classes. With the help of NCERT Exemplar Class 9 Maths Solutions, students gain exposure to higher-order problems that test logical thinking and reasoning abilities, while NCERT Solutions for Class 9 Maths provide clear explanations for every exercise. The chapter begins with the concept of congruence of triangles. Students learn different criteria for congruence, such as SSS (Side-Side-Side), SAS (Side-Angle-Side), ASA (Angle-Side-Angle), AAS (Angle-Angle-Side), and RHS (Right angle-Hypotenuse-Side). These rules help in proving whether two triangles are congruent or not. Through step-by-step solutions, learners develop the ability to solve proof-based problems effectively. Next, the chapter focuses on properties and theorems related to triangles. Important results such as “angles opposite to equal sides are equal” and “sides opposite to equal angles are equal” are discussed in detail. Exemplar questions challenge students to apply these properties in non-direct ways, enhancing their analytical skills.

Another important subtopic is inequalities in a triangle, which teaches students how to compare the sides and angles of a triangle logically. This concept is essential for solving advanced geometry problems. The NCERT Solutions for Class 9 Maths provide multiple examples and applications that make these properties easier to understand. The chapter also introduces the mid-point theorem, which states that the line joining the midpoints of two sides of a triangle is parallel to the third side and half of it. This theorem has wide applications in coordinate geometry, which students study in higher classes. By practicing with NCERT Exemplar Class 9 Maths Solutions, learners strengthen their proof-writing and problem-solving skills. These questions go beyond simple exercises, requiring logical reasoning and multiple-step solutions. In conclusion, Chapter 7 is an essential part of Class 9 Maths as it not only develops conceptual clarity in geometry but also enhances reasoning skills. With consistent practice using NCERT Solutions for Class 9 Maths and exemplar problems, students can master congruence, inequalities, and theorems, preparing them for advanced studies in mathematics and competitive exams.

Download the PDF of NCERT Exemplar Solution for Class 9 Maths Chapter 7 – Triangles