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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
四邉形 (四年級) 教師版
找出對稱軸
算柱 (兩位數)
第八周作业
兩位數加法
Discover Resources
固定面積的圖形的周界變化
卡特蘭數 (Catalan Number)
圓柱曲面
Question 1(Angle)
線的面化
Discover Topics
Arithmetic Mean
Diagrams
Continuity
Vectors
Conic Sections
