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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
找出對稱軸
畫出對稱圖形
球體建築師
四邊形的特性
Discover Resources
圖H
o'clcok
Tangent from an external point
勾股定理的证明
S3 Ch4.1 正四面體的反射平面
Discover Topics
Standard Deviation
Constructions
Linear Functions
Parabola
Linear Regression