All geometry topics and resources

This topics hub is a directory of every part of Geometry Mastery Academy. The academy is a high school geometry course of 235 lessons taught in 15 units. It runs from points and lines through trigonometry, with a quiz after every lesson and an AI coach that guides students one step at a time. Use this page to go straight to the part you need.

The 15 units

  • Foundations of Geometry
  • Angles
  • Parallel and Perpendicular Lines
  • Transformations
  • Triangles
  • Triangle Congruence
  • Relationships in Triangles
  • Quadrilaterals
  • Polygons
  • Similarity
  • Trigonometry
  • Circles
  • 2D and 3D Shapes
  • Area & Volume
  • Coordinate Geometry

Every unit opens inside the academy once you have an account. Try a lesson free to see the format first.

See it before you decide

Look inside the academy without creating an account.

Plans and access

One subscription covers every lesson, quiz, and the AI coach.

Live tutoring

One-to-one help on the exact problem your student is stuck on.

For schools and districts

Class codes, rosters, and standards coverage for geometry teachers.

Help and trust

Everything you need before you hand a student an account.