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congruent triangles_provided by Mr Yeung Kar Chun
Author:
kidmancmw
GeoGebra
New Resources
Claude 解幾何題
世界平面地圖 (Codex╱2026.10.07)
Earth with coastline
伊朗國旗 (Codex╱2026.10.07)
美國國旗 (Codex 版)
Discover Resources
三角形内角和演示
gjh-h02-01 歐幾里德的畢氏證明
gitfh 複合圖形-正四角柱中挖圓柱
串珠
科赫雪花 (Koch Snowflake)
Discover Topics
Geometry
Set Theory
Trapezoid
Difference and Slope
General Quadrilateral