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Find the maximum area of triangle ABC.
Author:
johnmayhk
GeoGebra
New Resources
直角坐標平面上的旋轉變換
兩組對邊相等的四邊形
判斷球體
拼砌四邊形
兩位數除以一位數（二）
Discover Resources
Homework1
transformation_rotation
Copy of 劉徽的「割圓術」
必修二P156二面角与平面的法向量
棒形圖編輯(修改版)
Discover Topics
Statistical Characteristics
Parametric Curves
Distributions
Real Numbers
Logarithm