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angle between lines

Author:johnmayhk

New Resources

  • 漂亮的摇摆曲线
  • 圓周公式的應用
  • 空间中两直线的位置关系
  • 画直线等分三角形的面积
  • 平行線的斜率

Discover Resources

  • y=a(x-h)²+k
  • 畢氏定理
  • 選擇合適的「中間人」
  • 同旁內角---垂直平行綫
  • 堆疊正立方體的副本

Discover Topics

  • Optimization Problems
  • Line Segment
  • General Quadrilateral
  • Equations
  • Geometric Transformations
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