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內切圓
Author:
楊明德
Topic:
Incircle or Inscribed Circle
GeoGebra
New Resources
畫出對稱圖形
球體建築師
画直线等分三角形的面积
找出對稱軸
兩位數除以一位數（二）
Discover Resources
CACTM對稱及變換
circle
數學電腦繪圖與解題
以「時」和「分」報時的副本
随机模拟实验（撒豆子估算π）的副本
Discover Topics
Trapezoid
Dilation
Linear Functions
Geometric Transformations
Distributions