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

Unknown angle problem using an auxiliary line

Author:Christine Cobos
Topic:Geometry
Solving unknown angle problems by drawing an auxiliary line

New Resources

  • Midpoint Theorem Questions: Mild
  • Slope Illustrator (2)
  • Writing and Graphing Proportional Relationships (k>0)
  • Compound Inequality Illustrator: Conjunctions and Disjunctions
  • Congruent Sides & Angles in △s: Exploration

Discover Resources

  • Dynamic Right Triangles
  • Dynamisch_gekleurde_parabool
  • ct 2
  • unit circle -1
  • Figure 16.2c_ Mixed bundling

Discover Topics

  • Root
  • Conic Sections
  • Geometric Transformations
  • Circle
  • Secant Line or Secant
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®