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Area of Parallelogram
Author:
jack1012
Topic:
Area
,
Parallelogram
平行四邊形典範圖形，及典範切割方式，說明平行四邊形面積等於長方形
GeoGebra
New Resources
Fibonacci Clock
Nested spiral octagon
美國國旗 (Codex 版)
兩組對邊相等和有直角的四邊形
判斷球體
Discover Resources
色彩視覺藝術：奇幻光圈
扇形滾動2
利用按鈕控制動畫On/Off
Calculus
o'clcok
Discover Topics
LCM and GCD
Geometric Mean
Cosine
Line Segment
Tree Diagrams