# Making versus observing manipulations of geometric properties of triangles to learn geometry using dynamic geometry software

> Research article (Computers & Education, 2017) · cited 53× · AI/ML

**Wikidata**: [openalex:W2621455875](https://www.wikidata.org/wiki/openalex:W2621455875)  
**Source**: https://4ort.xyz/entity/making-versus-observing-manipulations-of-geometric-properties-of-triangles-to-learn-geometry-using-dynamic-geometry-soft