Скачать или смотреть Class 10 Maths NCERT Ch 6 Triangles Ex 6.3 Introduction new ncert book

In this video you will learn similarity criteria for two triangles.
AAA, AA, SSS and SAS Similarity Criteria and how to apply them in questions. This video also serve purpose for Introduction of Exercise 6.3 Class 10 Maths NCERT Ch 6 Triangles by Nitin sir.
we will discuss also ncert theorem :

Theorem 6.3: If in two triangles, corresponding angles are equal, then their corresponding sides are in the same ratio (or proportion) and hence the two
triangles are similar. This criterion is referred to as the AAA criterion of (Angle-Angle-Angle) similarity of two triangles.

Theorem 6.4: If in two triangles, sides of one triangle are proportional to (i.e., in the same ratio of) the sides of the other triangle, then their corresponding
angles are equal and hence the two triangles are similiar.This criterion is referred to as the SSS (Side-Side-Side) similarity criterion for
two triangles.

Theorem 6.5: If one angle of a triangle is equal to one angle of the other triangle and the sides including these angles are proportional, then the two triangles are similar.This criterion is referred to as the SAS (Side-Angle-Side) similarity criterion for two
triangles.


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