
IB Maths AI SL Topic 3.1 Notes: Introduction to 3D Geometry
These notes support IB Mathematics AI SL students as they develop spatial reasoning and solve problems in three dimensions. Learn to calculate distances and midpoints in 3D space, use surface area and volume formulae for common solids, and find angles between lines or between a line and a plane.
Worked examples connect coordinate geometry, right-triangle relationships and vector methods. Formula summaries and structured explanations help students apply each technique to exam-style questions and revise independently. Student notes and a worked teacher version support classroom use.
Use with the lesson slides.
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