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Circle theorem: opposite angles in a cyclic quadrilateral

Author:Ania Maxwell
Topic:Angles, Circle

New Resources

  • bewijs stelling van Pythagoras
  • Exploring GeoGebra for the First Time
  • Reflection across a line
  • Reflection = 180° Rotation about a Line
  • Circle Passing Through 3 Points

Discover Resources

  • Claire Geogebra sketch
  • Start
  • Rotation Exploration (F shape 1)
  • Hyperbola defined as a set of points

Discover Topics

  • Incircle or Inscribed Circle
  • Arithmetic
  • Unit Circle
  • Vectors
  • Complex Numbers
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