NCERT Solutions for Mathematics Triangles

NCERT 9th class Mathematics book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. NCERT 9 Mathematics Text book Solutions. Class 9 Mathematics chapter wise NCERT solution for Mathematics for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

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NCERT Solutions Chapter 07: Triangles

You have studied about triangles and their various properties in your earlier classes. You know that a closed figure formed by three intersecting lines is called a triangle. ('Tri' means 'three'). A triangle has three sides, three angles and three vertices. For example, in triangle ABC, denoted as triangle ABC and AB,BC,CA are the three sides,∠A,∠B,∠C are the angles and A,B,C are three vertices. In Chapter 6, you have also studied some properties of triangles. In this chapter, you will study in details about the congruence of triangles, and inequalities in a triangle.