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Proof that Congruent Opposite Angles Implies Parallelogram

Author:Bradley Miller
Topic:Angles, Parallelogram

New Resources

  • Proving Triangles Similar by Dilation
  • Angle Bisector: Quick Warm Up Questions
  • Two Triangle Theorem
  • Folding door
  • Proving Triangles Similar: Multistep Transformations

Discover Resources

  • Gradient Intercept Form of a line
  • Trig function transformations
  • Print
  • Scatterplots and Regression Lines
  • Central Angle vs. Inscribed Angle

Discover Topics

  • Means
  • Incircle or Inscribed Circle
  • Symmetry
  • Orthocenter
  • Random Variables
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