MCQMathematics

NCERT · Class 10 · Mathematics · TrianglesIf in two triangles ABC and PQR, AB/QR = BC/PR = CA/PQ, then:

Step-by-Step Solution

The given ratio condition matches the SSS (Side-Side-Side) similarity criterion. Note the correspondence of vertices: AB corresponds to QR, BC corresponds to PR, and CA corresponds to PQ. Therefore, triangle PQR is similar to triangle CAB, or triangle BCA is similar to triangle QRP. Matching properly: triangle ABC is similar to triangle QRP.

Detailed Options Breakdown
Option : Triangle PQR ~ Triangle CAB

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Triangles.

Option 1: Triangle BCA ~ Triangle PQR

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Triangles.

Option 2: Triangle CBA ~ Triangle PQR

Incorrect choice. This distractor represents a common misunderstanding of the core principles of Triangles.

Option 3: Triangle ABC ~ Triangle QRP (Correct Answer)

Correct choice. Refer to the step-by-step verified solution guidelines above for details.

💡 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.
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