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正五角錐
Author:
康靖坤
可以旋轉， 顯示邊， 選擇透視
GeoGebra
New Resources
sanjiaohanshu
四邊形的特性
小数 的副本
找出對稱軸
兩組對邊相等和有直角的四邊形
Discover Resources
和差角公式几何证明
證明
定周长的正多边形面积变化规律
疊代
Graph of Sine
Discover Topics
Combinatorics
Pythagoras or Pythagorean Theorem
Sequences and Series
Frequency Distribution
Rational Numbers