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012_三角形兩邊內接平行四邊形的中心分別連接到此三角形第三邊的中點
Author:
Gideon Huang
GeoGebra
New Resources
錐體建築師
第八周作业
找出對稱軸
柱體建築師
兩組對邊相等和有直角的四邊形
Discover Resources
Add and subtract (binary)
HKMO 2013 Question 3 Demonstration (Geometric Construction)
包絡橢圓
盾牌(小動畫)
梯形
Discover Topics
Exponent
Pythagoras or Pythagorean Theorem
Line Segment
Unit Circle
Arithmetic