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Area of trapezoid
Author:
jack1012
兩個一樣的梯形如何組成一個平行四邊形
GeoGebra
梯形的高與平行四邊形的高有什麼關係呢? 為什麼? 平行四邊形的底邊與梯形有什麼關係呢??
New Resources
找出對稱軸
兩組對邊相等的四邊形
畫出對稱圖形
四邉形 (四年級) 教師版
球体的体积推导(优化版)
Discover Resources
FHMS Corr Angles on NonParallel Lines
立體圖形
Simultaneous Equations (Linear and quadratic)
Copy of 軸對稱
yuanmianjituidao
Discover Topics
Vectors 2D (Two-Dimensional)
Variance
Optimization Problems
Conic Sections
Calculus