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題 7
Author:
GeoGebra Institute of Hong Kong
Topic:
Area
,
Polygons
計算下圖的面積。
GeoGebra
New Resources
拼砌四邊形
兩位數除以一位數（二）
畫出對稱圖形
三位數除以一位數（一）
兩組對邊相等和有直角的四邊形
Discover Resources
Area of rectangle
固定三角形的條件−題2
test
三角形的三个旁切圆.许兴华数学
圓周 (圖形C) 的複本
Discover Topics
Special Points
Confidence Interval
Hypergeometric Distribution
Similarity Transformation or Similarity
Random Variables