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固定周界的長方形的面積變化（周界是200厘米）
Author:
李寶玲
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
拼砌四邊形
sanjiaohanshu
兩組對邊相等和有直角的四邊形
國旗 (Claude 版)
Claude 解幾何題
Discover Resources
小數試用
Liu Hui's Method of Finding π
天水圍循道衛理小學 GeoGebra 幾何創作室 第 3 節
Copy of 固定面積的圖形的周界變化
gjc099b34 找指定圓圓心
Discover Topics
Sequences and Series
Circle
Constructions
Line Segment
Geometric Mean