two-circles-tangents.ggb — the GeoGebra worksheet behind "Two circles over the same wall"
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资源简介：
The interactive GeoGebra worksheet behind every figure of the essay "Two circles over the same wall: a genealogy of an unnamed circle". One construction; each printed figure is one frame of it. The deposit includes the worksheet (.ggb) and a README with opening instructions, the checkbox layers behind each printed figure, and the full 157-step construction protocol.
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Zenodo创建时间：
2026-09-01
