Download Class 9 Math Exercise 9.6 Notes PDF – Geometry & Polygons (Number of Diagonals)
Download Class 9 Math Exercise 9.6 Notes teach the essential formula n(n – 3)/2 to calculate the number of diagonals in any polygon. These notes are part of Unit 9 – Geometry & Polygons, aligned with the FBISE 2025 SLO-Based syllabus, and reflect question styles from BISE Lahore, BIE Karachi, and BISE Peshawar.
Practice includes:
- Applying the diagonal formula to polygons of different sides
- Understanding the proof using triangle partitions
- Reviewing board-style diagonal questions from past exams
Why Download These Notes?
- Simple, step-by-step explanations for quick review
- Color-coded diagrams make concepts crystal clear
- Printable PDF is ideal for offline study
More Geometry & Polygons Notes (Unit 9)
Exercise 9.5 Notes (Interior Angle)
Exercise 9.7 Notes (Word Problems)
Miscellaneous Exercise 9 Notes
