# Triangles - NCERT Class 9 Maths

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The chapter 7 starts with an introduction of triangles and its properties we covered in previous grades. Next, the chapter explains about the congruence of triangles followed by criteria for congruence of triangles. Later the chapter discusses in detail about properties of a triangle with some examples and few exercise problems. Finally, the chapter ends by discussing some more criteria for congruence of triangles followed by inequalities in the triangle.

## Exercise 7.1

## Exercise 7.2

## Exercise 7.3

## Exercise 7.5

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