Most people think geometry is about triangles, circles, and proofs on a chalkboard. But on GitHub, geometry takes a different shape.
Unlike a physical book, these "lessons" are frequently updated with new edge cases and clearer explanations provided by the community. How to Get Started github geometry lessons
Deep visual intuitions for trigonometry, circle theorems, and 3D calculus. 4. Open-Source Textbooks Most people think geometry is about triangles, circles,