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一线三等角模型
Author:
冯姣龙
Topic:
Similar Triangles
,
Similarity Transformation or Similarity
GeoGebra
New Resources
柱體建築師
画直线等分三角形的面积
畫出對稱圖形
球體建築師
四邊形的特性
Discover Resources
三角形的外接圓
正五角柱展開
Angle Sum of Triangle
包絡線：拋物線
图中的三角形面积何时最小？（许兴华数学）
Discover Topics
Probability
General Quadrilateral
Secant Line or Secant
Angles
Optimization Problems