GeoGebra
GeoGebra
More about 3-D Figures 續立體圖形
Line Perpendicular to Plane 垂直於平面的直線
Angle between a Line and a Plane 投影與線面角
Quiz on Projection of a Line Segment on a Plane 投影:測驗
Quiz on Angle between a Line and a Plane 線面角:測驗
Angle between Two Planes 面面角
More about 3-D Figures 續立體圖形
Author:
Alex CHIK
GeoGebra 互動數學教室
http://www.geogebra.hk
Line Perpendicular to Plane 垂直於平面的直線
Angle between a Line and a Plane 投影與線面角
Quiz on Projection of a Line Segment on a Plane 投影:測驗
Quiz on Angle between a Line and a Plane 線面角:測驗
Angle between Two Planes 面面角
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Line Perpendicular to Plane 垂直於平面的直線
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