Proof of Basic Proportionality Theorem (BPT) | Thales Theorem 🔥| Triangles | Claas 10th CBSE| RP Sir

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🚀 Basic Proportionality Theorem (BPT) Proof | Class 10 CBSE Maths | Complete Detailed Explanation 🔥
Class 10 students, listen up! 😎 In this 20-minute video, I've explained the full proof of Basic Proportionality Theorem (also known as Thales' Theorem) in the easiest and most detailed way possible! This is one of the most important theorems from NCERT Chapter 6 Triangles that appears frequently in board exams.
In this video, you'll get:
✅ Exact statement of the theorem
✅ Clean diagram with proper labeling
✅ Step-by-step complete proof (using areas of triangles – exactly as in NCERT)
✅ In-depth explanation of every single step – no rushing!
✅ Why this theorem works – real intuition behind it
✅ How to write it in exams + avoid common mistakes
In just 20 minutes, the entire concept will become crystal clear! 💯 Whether you're learning it for the first time or revising, this video will be your best friend for board exam preparation!
👉 Timestamps (Jump to what you need):
00:00 - Intro + Importance of the Theorem
01:45 - Statement and Diagram Explained
04:20 - Proof Starts – From Step 1
18:30 - Conclusion + Exam Tips
19:15 - Bonus Quick Revision
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Ask your doubts in the comments – I'll reply to every single one! 🙌
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No more delays – hit play and master BPT forever! 📐✨