IB Math AI · Unit 3 of 6

Unit 3: Geometry and Trigonometry

Unit 3 of IB Mathematics: Applications and Interpretation covers Geometry and Trigonometry. This unit contains 6 topics and 13 sub-topics. Below you'll find free study notes, flashcards, and exam preparation resources for every topic in this unit.

6 topics13 sub-topics

Exam technique guide

What Unit 3 covers

2D and 3D geometry, trigonometric methods, and practical spatial problem-solving.

Topics in Unit 3

3.1

3D space, volume, angles, and midpoints

3 sub-topics

3.2

2D and 3D trigonometry

2 sub-topics

3.3

Angles of elevation and depression

2 sub-topics

3.4

Circle arc length and area of sector (degrees)

2 sub-topics

3.5

Line intersections and perpendicular bisectors

2 sub-topics

3.6

Voronoi diagrams

2 sub-topics

Study tip: Work through the topics in order — each builds on concepts from the one before. Start with notes, then reinforce with flashcards and practice questions.

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Unit 2 Unit 4