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Geometry and Similarity · Term 1

Basic Proportionality Theorem (Thales Theorem)

Students will understand and prove the Basic Proportionality Theorem and its converse.

Key Questions

  1. Explain the proof of the Basic Proportionality Theorem using area ratios.
  2. Justify the conditions under which the converse of BPT holds true.
  3. Analyze how BPT is fundamental to understanding ratios in similar triangles.

CBSE Learning Outcomes

NCERT: Triangles - Class 10
Class: Class 10
Subject: Mathematics
Unit: Geometry and Similarity
Period: Term 1

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