Geometry-lessons.github.io
nav ul { list-style: none; margin: 0; padding: 0; display: flex; justify-content: space-between; }
Advanced users can visit the GitHub repository (remove the http:// part of the URL to find the repo) and: geometry-lessons.github.io
Because the code is open source, it invites collaboration. Teachers can fork the repository—create their own copy—and customize the lessons to fit their specific curriculum. A teacher in Brazil can translate the text into Portuguese; a professor in India can add new modules on trigonometry. It is a living textbook, written by the community, for the community. nav ul { list-style: none; margin: 0; padding:
The site is built around one simple idea – geometry should be visual and logical . Every lesson includes: It is a living textbook, written by the
This origin story matters. It means the content is , community-driven , and devoid of advertising pop-ups or subscription fees. In an era where education is increasingly commodified, finding a comprehensive geometry resource that remains completely free is a breath of fresh air.