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平行線的截線性質
Author:
Gideon Huang
拖曳直線上的點,當兩條平行線被一直線所截時, 觀察各組同位角、內錯角、同側內角的度數變化。
GeoGebra
New Resources
找出對稱軸
【案例】2018年全国1卷理科12题
兩組對邊相等和有直角的四邊形
錐體建築師
小数 的副本
Discover Resources
畢氏定理的證明
Opening Box
三角形內角和
任意角的三角函数
Inclined plane (Angle between two planes)
Discover Topics
Logarithmic Functions
Median Line
Sine
Polygons
Difference and Slope