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P3 平行與垂直02 測試
Author:
makkei
GeoGebra
New Resources
平行線的斜率
直線的斜率
探究三角形的全等條件
多邊形的面積
垂直線的斜率
Discover Resources
點和圓的位置關係
Angle Sum in a Triangle
正弦余弦刻度尺
诱导公式四（原点对称关系）
两角和的正切公式几何证明
Discover Topics
Inequalities
Pie Chart or Circle Chart
Solids or 3D Shapes
Algebra
Pythagoras or Pythagorean Theorem