class 9 ncert maths /exercise 7.4/chapter/triangle/larger sides opposite angle is larger/triangle/

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congruence of triangles
side angle side (SAS)congruence criterion
angle side angle (ASA)congruence criterion
angle angle side (AAS)criterion of congruency
Right angle hypotenuse side (RHS)Congruence criterion
theorem and proof
1-if two side of a triangle are unequal ,then the larger side has greater angle opposite to it.
2-In triangle the greater angle has the longer side opposite to it.
3-corresponding part of congruent triangle (cpct)
4-two triangle are congruent if two sides and the included angle of one triangle are equal to the sides and the included angle of the other triangle .
5-if three sides of one triangle are equal to the three sides of another triangle then the two triangles are congruent
ncert class 9 maths solution
chapter 7
exercise 7.1
exercise 7.2
exercise 7.3
exercise 7.4
optional exercise 7.5

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