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Geometry: Angles Sum of Triangle (幾何：三角形內角和)
Author:
chisunch1
Topic:
Geometry
GeoGebra
New Resources
兩組對邊相等的四邊形
錐體建築師
四邉形 (四年級) 教師版
【案例】圆柱体内放置一个大球六个小球
球體建築師
Discover Resources
中國火柴遊戲一
觀察圖中有哪些角會相等
方輪與方路
各立體展開圖
等角对等边
Discover Topics
Quadrilaterals
Continuity
Hypergeometric Distribution
Secant Line or Secant
Geometric Mean