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Find the maximum area of triangle ABC.
Author:
johnmayhk
GeoGebra
New Resources
平行線的判定
盈利與虧蝕
龙形曲线-分形龙
第八周作业1
斐波那契螺旋弧线（表格法-可动态调节）
Discover Resources
全等三角形: 重溫
費氏螺旋 (試算表)
教學－棱柱摺紙樣式
gltcf 計算長方體對角線
圖解兩向量所張開之平行四邊形面積
Discover Topics
Upper and Lower Sum or Riemann Sum
Numbers
Linear Equations
Trigonometry
Percentages