The questions in this exercise deal with the triangle inequality theorem and the converse of the same. The questions in this exercise require students to apply the properties of these triangles to find the values of angles and sides.Įxercise 7.4: This exercise consists of six questions and mainly focuses on the inequalities in triangles. The questions require students to apply these criteria to determine if the given triangles are congruent or not.Įxercise 7.3: This exercise comprises five questions, and it deals with the properties of isosceles and equilateral triangles.

The questions in this exercise deal with the criteria for congruence of triangles such as SSS, SAS, ASA, RHS, and AAS. The questions are mostly objective and require students to apply simple formulas to find the values of angles and sides of triangles.Įxercise 7.2: This exercise consists of eight questions and mainly focuses on the congruence of triangles. Here's a brief overview of each exercise:Įxercise 7.1: This exercise comprises eight questions, and it mainly deals with the basic properties of triangles such as interior angles, exterior angles, and inequalities. There are five exercises in this chapter, and each of them deals with different kinds of questions related to triangles.

The chapter mainly focuses on the properties and theorems of triangles, their congruence, and their similarity. NCERT Solutions for Class 9 Maths Chapter 7, 'Triangles,' is a crucial chapter for students as it provides the basic foundation for higher-level geometry.

Sas geometry formula