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Epicycloid
Author:
羅驥韡 (Pegasus Roe)
GeoGebra
「epi-」的意思是「外側的、外緣的」。
圖片來源:
Designed by Freepik
參數式計算細節:
其中
New Resources
找出對稱軸
Nested spiral octagon
拼砌四邊形
Earth with coastline
近似值:有效數字
Discover Resources
因數的判別
路徑二動畫
地科模型–日照長短
畢氏定理的證明(三移動)
較複雜的周界問題(二)
Discover Topics
Set Theory
Geometric Transformations
Rotation
Mode
Pythagoras or Pythagorean Theorem