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正多邊形各邊中點連線所圍成的圖形v2
Author:
Jimmy Ma
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
近似值：有效數字
sanjiaohanshu
Nested spiral octagon
第八周作业
Discover Resources
正九邊形
畢氏定理變裝證明
直角三角形與正三角形
兩線段和圓的關係
幾何作圖 根號 螺線圖
Discover Topics
Random Experiments
Differential Calculus
Continuity
Hyperbola
Centroid or Barycenter