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Angle Sum in a Triangle
Author:
ksarnoff
,
Koo Wing Yan
Topic:
Angles
Angle Sum in a Triangle
GeoGebra
New Resources
球體建築師
找出對稱軸
【案例】2018年全国1卷理科12题
判斷球體
球体的体积推导（优化版）
Discover Resources
圓錐曲線 vs.雙曲線定義式
勝者即正義，可愛即正義～(可用Ctrl+滑鼠滾輪放大界面)
等分旋轉
橢圓3--平行四邊形法
正态函数曲线的特点
Discover Topics
Special Points
Sine
Piecewise Functions
Poisson Distribution
Right Triangles