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梯形的面積
Author:
Anthony OR 柯志明
Topic:
Area
,
Triangles
GeoGebra
柯志明 香港 GeoGebra 學院
New Resources
sanjiaohanshu
幾何作圖題：切三圓（題目）
Fibonacci Clock
畫出對稱圖形
世界平面地圖 (Codex╱2026.10.07)
Discover Resources
分布圖
包絡線：橢圓
滑桿動畫(起始檔案)
黃金三角形
F2 cylinder (r vs TSA)
Discover Topics
Statistical Characteristics
Secant Line or Secant
Similarity Transformation or Similarity
Volume
Centroid or Barycenter