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題 9
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
GeoGebra
New Resources
四邊形的特性
拼砌四邊形
直角坐標平面上的旋轉變換
畫出對稱圖形
三位數除以一位數（一）
Discover Resources
模擬「分頁」效果
給定適當的折射率，模擬G點看到的物體成像
simson line
RECTANGLE
國旗
Discover Topics
Intersection
Right Triangles
Bar Chart or Bar Graph
Square
Similarity Transformation or Similarity