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Rethinking Pythagoras
This article explores analogues of the Pythagorean Theorem in non-Euclidean geometries.
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Geometry Playground
Activity: Fitting Circles
This activity explores the idea of area in the Inverted model of the Euclidean plane, as well as in Spherical and Hyperbolic geometry. The authors would like to thank Ksenija Simic-Muller, 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: The Perfect Triangle
Pages: | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
Heath, Daniel and Joshua Jacobs, "Geometry Playground," Loci (September 2010), DOI: 10.4169/loci003567