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正n邊形內角與外角
Author:
李春培
Topic:
Angles
正n邊形內角與外角
GeoGebra
New Resources
算柱 (兩位數)
Nested spiral octagon
兩組對邊相等和有直角的四邊形
直角坐標平面上的旋轉變換
近似值：有效數字
Discover Resources
觀察對數的對稱性
複合圖形(七)
Epicycloid
矩阵（自动）计算（数据为0-5的随机数）
椭圆的生成
Discover Topics
Pythagoras or Pythagorean Theorem
Ellipse
Geometry
Stochastic Process or Random Process
LCM and GCD