Activity: Projective Geometry
This activity explores projective geometry, comparing it to Euclidean and Spherical geometries.
Click here to open the Geometry Playground applet in a new window.
Click here to open a pdf file which contains the instructions for the activity.
Heath, Daniel and Joshua Jacobs, "Geometry Playground," Loci (September 2010), DOI: 10.4169/loci003567
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