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Lesson 86. Properties of Parallel Lines

Auteur:Norm Prokup

T6-criterion for parallel lines

[bgcolor=orange] If two lines are intersected by a third line, and alternate interior (or exterior) angles are equal, then the original two lines are parallel. [/bgcolor]

Nieuw didactisch materiaal

  • bewijs stelling van Pythagoras
  • दुई-ओटा समुहको संयोजन (Union of two sets)
  • 分數化百分數:練習
  • Graphing 1 + cos(θ) in Polar Coordinates
  • Graphing a Circle in Polar Coordinates

Ontdek materiaal

  • Splitting Vector into Components
  • Completed Square Quadratic
  • Life Expetancy
  • Perpendicular Bisector in a Triangle
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