Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Angle between Two Planes 面面角
Author:
Alex CHIK
Given that angle BAC is 40 degrees. Where should be points B and C such that the angle between the two planes is also 40 degrees? 已知角BAC固定為40度。移動B點和C點到甚麼位置,兩平面的交角才是40度?
GeoGebra
GeoGebra 互動數學教室
http://www.geogebra.hk
New Resources
比較五件物件的重量
常见四边形是否是双心四边形
正方形雪花图案
撒针估算面积实验
折扣
Discover Resources
黎曼和
YH的GGB_BOOK
test
平移動畫(平移加滑桿)
旋轉扇形
Discover Topics
Statistics
Surface
Derivative
Probability
Definite Integral