Exploring Hyperbolic Geometry (Part 2)

Angles and Triangles

Authors

Keywords:

Hyperbolic Geometry, WebSketchpad, Proof and Argumentation

Abstract

This article is the second of a series in investigating basic concepts of hyperbolic geometry using WebSketchpad as the vehicle for the investigations. This particular article focuses on angle relationships and theorems about triangles.

References

Anderson, J. W. (2005). Hyperbolic geometry (2nd ed.). Springer.

Goldenberg, E. P., & Scher, D. (2014). WebSketchpad: Dynamic geometry for the web. Key Curriculum. https://www.websketchpad.com

Greenberg, M. J. (1993). Euclidean and non-Euclidean geometries: Development and history (3rd ed.). W. H. Freeman.

Sinclair, N., & Bruce, C. D. (2015). New opportunities in geometry education at the primary school. ZDM Mathematics Education, 47, 319–329.

Stillwell, J. (1996). Sources of hyperbolic geometry. American Mathematical Society.

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Published

2025-05-31

How to Cite

Moyer, T. O. (2025). Exploring Hyperbolic Geometry (Part 2): Angles and Triangles. hio ournal of chool athematics, 99(1), 38–49. etrieved from http://voyager.janeway.systems:9999/index.php/OJSM/article/view/10398

Issue

Vol. 99: Spring 2025

Section

Articles

License

By submitting this agreement, the author hereby grants to The Ohio State University, on behalf of its University Libraries