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Outline
Geometry Exercises
Applications of 1/2ab sinC
Geometry Exercises
Author:
Healey Lee
Applications of 1/2ab sinC
Fun question (1)
Fun question(2)
Use area of triangles to prove cosine formula
Geometry problem (1)
two Angle bisectors of same length?
Geometry problem (2)
Next
Fun question (1)
New Resources
異分母分數減法
三位數除以一位數（一）
兩組對邊相等的四邊形
四邉形 (四年級) 教師版
兩位數除以一位數（一）
Discover Resources
點到直線的距離9：常數項差距與距離比為法向量長度
Graph of Sine Function 正弦函數圖像
平面直角坐标系
移項法則
任務2的副本
Discover Topics
Hypothesis Testing
Cylinder
Power Functions
Unit Circle
Translation
