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Angle between 2 planes
Author:
johnmayhk
GeoGebra
Right click and drag the 3-dimensional object to view it in different angles.
New Resources
拼砌四邊形
異分母分數減法
兩位數加法
兩組對邊相等的四邊形
判斷球體
Discover Resources
相似形基本圖形
厚會聚透鏡 Thick Convergent Lens
面積題 A
三角形全等的直观图(可重合).许兴华数学
以 Unit Circle 了解 Sine 的正/負的副本
Discover Topics
Solids or 3D Shapes
Rhombus
Ellipse
Ratios
Poisson Distribution