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Rethinking Pythagoras
This article explores analogues of the Pythagorean Theorem in non-Euclidean geometries.
Loci
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Geometry Playground
Activity: Families of Lines
This activity explores the idea of trying to create coordinate systems similar to Cartesian coordinates in Spherical and Hyperbolic geometries. The authors would like to thank Elly Claus-McGahan, who contributed this activity.
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.
Next page >> Activity: Fitting Circles
Pages: | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Heath, Daniel and Joshua Jacobs, "Geometry Playground," Loci (September 2010), DOI: 10.4169/loci003567