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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
兩位數除以一位數（二）
找出對稱軸
錐體建築師
畫出對稱圖形
直角坐標平面上的旋轉變換
Discover Resources
這好難用
比較圖形大小2
gitfh 複合圖形-正四角柱中挖圓柱
橢圓與斜率
橢圓2-四圓心近似法
Discover Topics
Rational Numbers
Equilateral Triangles
Histogram
Logic
Conic Sections
