Dragging vertices to see how the area of a triangle changes.
This is the secret sauce. If one teacher creates a brilliant lesson on "Circles and Tangents," another teacher can "fork" that repository and tweak it for their own classroom. This creates a global library of shared geometry curriculum. Anatomy of a Perfect "Geometry-Lesson.github.io" Site geometry lesson github io
If you are a student looking for help, searching for site:github.io "geometry lesson" will lead you to a treasure trove of student-built projects and professor-curated modules. If you are a creator, getting started is simple: Create a new repository named geometry-lesson . Add an index.html file with your content. Enable in the settings. Dragging vertices to see how the area of a triangle changes