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Outline
相似形應用_進階_Collection
Slope of a Line
perpendicular lines
distance between point-line
Proof without words: Cosine Rule (餘弦公式)
areas of similar triangles
Similar Triangles, exercise 1
垂線斜率_1
相似形應用_進階_Collection
Author:
Reinhold Yen
Slope of a Line
perpendicular lines
distance between point-line
Proof without words: Cosine Rule (餘弦公式)
areas of similar triangles
Similar Triangles, exercise 1
垂線斜率_1
Next
Slope of a Line
New Resources
第八周作业
四邊形的特性
拼砌四邊形
四邉形 (四年級) 教師版
小数 的副本
Discover Resources
堆疊多邊形
Copy of 正立方體中的正四面體
角錐體積-金字塔法
二次函数（y=ax²+bx+c）
劉徽的「割圓術」的副本
函数作图工具的副本
Discover Topics
Variance
Quadrilaterals
Unit Circle
Means
Terms
