CBSE 9 Mathematics | 7. Triangles by Akhil | Learn Smarter with Allrounder.ai
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7. Triangles

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Sections

  • 7

    Triangles

    This section introduces triangles, focusing on their properties, congruence, and the criteria for determining congruency.

  • 7.1

    Introduction

    This section introduces the concept of triangles, their properties, and lays the foundation for the study of congruence in triangles.

  • 7.2

    Congruence Of Triangles

    This section elaborates on the concept of congruence in triangles, discussing how triangles are congruent when their corresponding sides and angles are equal.

  • 7.3

    Criteria For Congruence Of Triangles

    This section explores the specific criteria that determine when two triangles are congruent.

  • 7.4

    Some Properties Of A Triangle

    This section covers the properties of isosceles triangles, including the equal angles opposite to equal sides and the converse, emphasizing their significance in triangle congruence.

  • 7.5

    Some More Criteria For Congruence Of Triangles

    This section introduces additional criteria for the congruence of triangles, specifically focusing on the SSS and RHS congruence rules.

  • 7.6

    Summary

    This section highlights the key concepts learned about the congruence of triangles and other related properties.

Class Notes

Memorization

Revision Tests

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