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題 2
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
兩組對邊相等和有直角的四邊形
Earth with coastline
國旗 (Claude 版)
四邉形 (四年級) 教師版
Claude 解幾何題
Discover Resources
三角形的工具
Light Game
檢驗區
兩圖形中點軌跡（1060724)
圓周角與圓心角之度數關係臆測（圓心在圓周角的外部）
Discover Topics
Optimization Problems
Differential Equation
Probability
Constructions
Equilateral Triangles