This is a demonstration of Gérard Desargues' theorem.
Two triangles are prospective from a point if and only if they are prospective from a line.
You can move the vertices of the two triangles and a point labeled 'X' will appear if the two triangles satisfy the theorem.
| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 美國 (U.S.A) | iOS App Store | 1.0 App下載 | 免費 | 2011-06-29 | 2014-09-26 |
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