NCERT · Class 9 · Mathematics · TrianglesIf the three sides of one triangle are equal to the three sides of another triangle, then the two triangles are congruent by:
Step-by-Step Solution
By Side-Side-Side (SSS) congruence rule, if three sides of one triangle are equal to the corresponding three sides of another triangle, the triangles are congruent.
Detailed Options Breakdown
Option : SAS criterion
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Triangles.
Option 1: ASA criterion
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Triangles.
Option 2: SSS criterion (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: RHS criterion
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Triangles.
💡 Study Guide: This question tests core syllabus concepts from Triangles. For formulas, key summaries, and mock exam reference guides, read the full Triangles Revision Notes.