With some points of interest, and an example implementation.
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Geometric construction: [url]http://www.geogebratube.org/material/show/id/27049[/url]
[math]\;\;\;\;[/math](Euclid, [i]Elements[/i], Book I, Prop. 9)
- 適合年齡
- 19+
- 語言
- English (United States)
