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三角形垂足三角形周長問題
Author:
官長壽(longlife)
GeoGebra
阿壽工坊---
http://120.101.70.8/longlife/
New Resources
兩組對邊相等和有直角的四邊形
錐體建築師
球體建築師
兩組對邊相等的四邊形
異分母分數減法
Discover Resources
正六面體摺疊
三角柱展開
同底等高
三角形的高
等腰三角形 － 等角對等邊的副本
Discover Topics
Histogram
Upper and Lower Sum or Riemann Sum
Isosceles Triangles
Sine
Vectors 3D (Three-Dimensional)