← All courses

MATH 230: Euclidean Geometry for College Students

An axiomatic development of Euclidean geometry, covering points, lines, and planes, congruence and similarity, circles, area and volume, geometric constructions, and an introduction to non-Euclidean geometry. Prerequisite: MATH 115 or equivalent.

Current Sections Fall 2026

230-01 In Person Time TBD · Syllabus & materials 230-02W Online Asynchronous · Syllabus & materials

Lecture Notes by Topic

GoodNotes links — opens in the GoodNotes app or web viewer.

1. Points, Lines, & Planes
2. Angles & Angle Relationships
3. Triangle Congruence
4. Triangle Similarity
5. Quadrilaterals & Polygons
6. Circles & Arcs
7. Area & Volume
8. Geometric Constructions
9. Introduction to Non-Euclidean Geometry

Past Semesters Complete Record

Spring 2026 (230-01, TR 9:30 – 10:45 AM)
Spring 2026 (230-02W, Online)
Spring 2025 (230)
Spring 2024 (230)