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Mathematics

SSS congruence

भुजा-भुजा-भुजा (SSS) सर्वांगसमता

In Class 9 Mathematics, this topic explains the SSS (Side–Side–Side) congruence criterion for triangles. Students learn that two triangles are congruent when their three corresponding sides are equal in length, and how to match corresponding vertices and sides before applying the criterion. They practise identifying given measurements, writing a valid congruence statement, and using SSS to justify that corresponding angles or other parts are equal. The topic develops careful geometric reasoning within the chapter on Triangles.

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