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Which similarity criterion is the basis used to prove the Basic Proportionality Theorem (Thales theorem)?

Class 10Criteria for SimilarityGeometry — Similarity
  • AAA criterion
  • BSSS criterion
  • CSAS criterion
  • DRHS criterion

Step-by-Step Solution

BPT is established using triangles formed by a line parallel to one side, where equal corresponding angles give AA similarity.
Answer: A) AA criterion

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