Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Lesson
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Exterior Angle of a Triangle

Author:kmso
Try to drag the blue angles to the point C. What can you observe?

New Resources

  • Odd Function Explorer
  • Right Triangle Inscribed in a Semicircle
  • Linear Equation Graphs: Thin Slice
  • Graphing Basic and Compound Inequalities
  • Squaring a Rectangle (PST Version)

Discover Resources

  • UCSS Math I 6.3.2 Example 2
  • Rotate Triangle -geo2016
  • ADDING
  • Solving Congruent Complements
  • Root 2 squares

Discover Topics

  • Median Line
  • Statistical Characteristics
  • Stochastic Process or Random Process
  • Expected Value
  • Numbers
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®