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GeoGebra
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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
漂亮的摇摆曲线
兩位數加法
多邊形的面積
球体的体积推导
兩位數除以一位數（二）
Discover Resources
特別角的三角函數值(1)
四邊形四個九點圓共點
三次函數02
數學電腦繪圖&解題
两个等腰三角形
Discover Topics
Cosine
Linear Functions
Confidence Interval
Statistical Characteristics
Parametric Curves
