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邊長與三角形（一） 的複本
Author:
Tony Cheng
,
GeoGebra Institute of Hong Kong
GeoGebra
New Resources
美國國旗 (Claude 版)
兩組對邊相等的四邊形
兩組對邊相等和有直角的四邊形
國旗 (Claude 版)
四邊形的特性
Discover Resources
Drawing quadrilaterals on the grid or the pinboard
JAY三角
Introduce tangent ratio
四塊面積
a sin(bx+c) + d 的圖形的副本
Discover Topics
Interest Calculation
Frequency Distribution
Ratios
Right Triangles
Similarity Transformation or Similarity