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Angles in pyramid
Author:
johnmayhk
GeoGebra
Right click and drag the 3-dimensional object to see it in different views
New Resources
找出對稱軸
球体的体积推导（优化版）
兩位數除以一位數（二）
柱體建築師
兩組對邊相等的四邊形
Discover Resources
垂心即內心
畫三角形 題3b
題二
艾薛爾Escher
我的第一个GGB绘本
Discover Topics
Line Segment
Special Points
Kite
Surface
Arithmetic