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邊長與三角形（一）
Author:
GeoGebra Institute of Hong Kong
Topic:
Isosceles Triangles
,
Right Triangles
,
Triangles
GeoGebra
New Resources
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
拼砌四邊形
第八周作业
算柱 (兩位數)
Discover Resources
正十二面體
實驗與觀察
伸縮矩陣
正三角形
Similar triangles reasons
Solve ax + b = cx + d
Discover Topics
Intersection
Pie Chart or Circle Chart
Geometry
Function Graph
Piecewise Functions