Observed arrival · 2026-11-09
A bookshelf of middle-school geometry models
GeoReflex presents a browsable Chinese-language archive of geometry models for grades 8–9, with conditions, auxiliary-line ideas, and complete proofs.
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- For
- Grades 8–9 geometry students and teachers
- Worth noticing
- Entries are marked by topic and difficulty, from introductory models to challenge-level constructions.
Field notes
Visible entries are organized by topic and difficulty, with labels such as introductory, advanced, and challenge. The catalog includes constructions involving midpoints and segments, as well as named models including 蝴蝶 and 将军饮马; the page says each selected model opens to conditions, auxiliary lines, and a full proof.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
◎NicheUnusually specific use
One card from the complete issue