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Area of Triangle_2
Author:
jack1012
Topic:
Area
任意三角形都可以拚呈長方形嗎?
GeoGebra
New Resources
算柱 (兩位數)
四邉形 (四年級) 教師版
球體建築師
畫出對稱圖形
【案例】2018年全国1卷理科12题
Discover Resources
Rotational Symmetry
三角形重心軌跡(動點在三圓上)
GGB3
串珠(兩種顏色)
圓周角與圓心角之度數關係臆測（圓心在圓周角的內部）
Discover Topics
Kite
Geometric Transformations
Natural Numbers
Hypothesis Testing
Cone