The Secret Code of Geometry! 🕵️♂️📐 Grade 9, Chapter 6: Lines and Angles.
This is where Geometry truly begins! We are moving from simple shapes to finding hidden patterns in the grid. 🕸️ Here is your complete Brainy Pages breakdown:
✅ The Vocab: Lines vs. Rays vs. Segments 📏
✅ Angle Types: From Acute to Reflex 🤏😲
✅ The "X" Files: Vertically Opposite Angles ❌
✅ Parallel Lines: Finding the Z and F shapes (Crucial!) 🛤️
✅ The 180° Rule: Angle Sum Property 🔺
✅ The Exterior Angle Magic ✨ If you...