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Exterior Angle Inequality Theorem

Submitted by Mr. Donald C. Albin Jr. Professional Educator www.donaldalbin.99k.org Explore the Exterior Angle Inequality Theorem. Directions
  • Move point 'C'.
Questions to promote inquiry
  • Is α always greater than β?
  • Is α always greater than γ?
  • What do the bars on the left represent?
  • Do the bars on the left ever obtain a negative value?