hsgeometry.club
16 sessions

A high school geometry course

Geometry, page by page

Sixteen sessions cover the whole subject, from points and lines to non-Euclidean geometry. Each session pairs the textbook pages with notes, worked examples, and things to watch.

Two sessions are online now. The rest are on their way.

2 of 16 sessions online

Sessions

  1. 01 What geometry is made of pages 8 to 23
  2. 02 The nature of deductive reasoning pages 42 to 59
  3. 03 Lines and angles in preparation
  4. 04 Congruence in preparation
  5. 05 Inequalities in preparation
  6. 06 Parallel lines in preparation
  7. 07 Quadrilaterals in preparation
  8. 08 Transformations in preparation
  9. 09 Area in preparation
  10. 10 Similarity in preparation
  11. 11 The right triangle in preparation
  12. 12 Circles in preparation
  13. 13 The concurrence theorems in preparation
  14. 14 Regular polygons and the circle in preparation
  15. 15 Geometric solids in preparation
  16. 16 Non-Euclidean geometries in preparation