Making Ellipses by Folding Disks
| Autor: | Andrew Shaffer, Pamela Gorkin |
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| Rok vydání: | 2021 |
| Předmět: | |
| Zdroj: | Mathematics Magazine. 94:53-58 |
| ISSN: | 1930-0980 0025-570X |
| DOI: | 10.1080/0025570x.2021.1849923 |
| Popis: | We are all familiar with the following method for constructing an ellipse: Fix two points, f1 and f2, called the foci of the ellipse. Put a thumbtack at f1 and another at f2, and tie a piece of str... |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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