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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
判斷球體
Nested spiral octagon
兩組對邊相等和有直角的四邊形
國旗 (Claude 版)
算柱 (兩位數)
Discover Resources
畢氏定理(五移動)
Parallel lines (angle of inclination and slope) v2
把手(環面)
立方體截面
劉徽的「割圓術」的副本
Discover Topics
Polygons
Geometric Distribution
Pythagoras or Pythagorean Theorem
Cylinder
Geometric Mean